Home / 20,593.31-28,442.10-13,867.23

Finding the Fourth Proportional to 20,593.31, 28,442.10 and 13,867.23

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Solution

The fourth proportional to 20,593.31, 28,442.10 and 13,867.23 is: 19,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.31 : 28,442.10 = 13,867.23 : x
  2. Step 2: Convert to fraction form
    20,593.31/28,442.10 = 13,867.23/x
  3. Step 3: Cross multiply
    20,593.31x = 28,442.10 × 13,867.23
  4. Step 4: Simplify right side
    20,593.31x = 394,413,301.04
  5. Step 5: Solve for x
    x = 394,413,301.04/20,593.31
  6. Step 6: Final answer
    x = 19,152.50

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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.