Home / 22,094.70-30,500.55-13,145.33

Finding the Fourth Proportional to 22,094.70, 30,500.55 and 13,145.33

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Solution

The fourth proportional to 22,094.70, 30,500.55 and 13,145.33 is: 18,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,094.70 : 30,500.55 = 13,145.33 : x
  2. Step 2: Convert to fraction form
    22,094.70/30,500.55 = 13,145.33/x
  3. Step 3: Cross multiply
    22,094.70x = 30,500.55 × 13,145.33
  4. Step 4: Simplify right side
    22,094.70x = 400,939,642.43
  5. Step 5: Solve for x
    x = 400,939,642.43/22,094.70
  6. Step 6: Final answer
    x = 18,146.42

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Double scale
Find fourth proportional to 22,095.70, 30,501.93 and 13,146.33
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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.