Home / 14,040.09-19,373.58-7,752.42

Finding the Fourth Proportional to 14,040.09, 19,373.58 and 7,752.42

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Solution

The fourth proportional to 14,040.09, 19,373.58 and 7,752.42 is: 10,697.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.09 : 19,373.58 = 7,752.42 : x
  2. Step 2: Convert to fraction form
    14,040.09/19,373.58 = 7,752.42/x
  3. Step 3: Cross multiply
    14,040.09x = 19,373.58 × 7,752.42
  4. Step 4: Simplify right side
    14,040.09x = 150,192,129.06
  5. Step 5: Solve for x
    x = 150,192,129.06/14,040.09
  6. Step 6: Final answer
    x = 10,697.38

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Half scale
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Double scale
Find fourth proportional to 14,041.09, 19,374.96 and 7,753.42
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.