Home / 18,040.75-24,887.55-11,323.06

Finding the Fourth Proportional to 18,040.75, 24,887.55 and 11,323.06

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Solution

The fourth proportional to 18,040.75, 24,887.55 and 11,323.06 is: 15,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040.75 : 24,887.55 = 11,323.06 : x
  2. Step 2: Convert to fraction form
    18,040.75/24,887.55 = 11,323.06/x
  3. Step 3: Cross multiply
    18,040.75x = 24,887.55 × 11,323.06
  4. Step 4: Simplify right side
    18,040.75x = 281,803,221.90
  5. Step 5: Solve for x
    x = 281,803,221.90/18,040.75
  6. Step 6: Final answer
    x = 15,620.37

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Find fourth proportional to 9,020.38, 12,443.78 and 5,661.53
Half scale
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Double scale
Find fourth proportional to 18,041.75, 24,888.93 and 11,324.06
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.