Home / 22,801.37-31,471.13-13,372.97

Finding the Fourth Proportional to 22,801.37, 31,471.13 and 13,372.97

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Solution

The fourth proportional to 22,801.37, 31,471.13 and 13,372.97 is: 18,457.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,801.37 : 31,471.13 = 13,372.97 : x
  2. Step 2: Convert to fraction form
    22,801.37/31,471.13 = 13,372.97/x
  3. Step 3: Cross multiply
    22,801.37x = 31,471.13 × 13,372.97
  4. Step 4: Simplify right side
    22,801.37x = 420,862,353.43
  5. Step 5: Solve for x
    x = 420,862,353.43/22,801.37
  6. Step 6: Final answer
    x = 18,457.77

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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.