Home / 22,593.67-31,180.06-13,639.42

Finding the Fourth Proportional to 22,593.67, 31,180.06 and 13,639.42

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Solution

The fourth proportional to 22,593.67, 31,180.06 and 13,639.42 is: 18,822.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,593.67 : 31,180.06 = 13,639.42 : x
  2. Step 2: Convert to fraction form
    22,593.67/31,180.06 = 13,639.42/x
  3. Step 3: Cross multiply
    22,593.67x = 31,180.06 × 13,639.42
  4. Step 4: Simplify right side
    22,593.67x = 425,277,989.99
  5. Step 5: Solve for x
    x = 425,277,989.99/22,593.67
  6. Step 6: Final answer
    x = 18,822.88

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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.