Home / 22,489.73-31,038.57-13,058.30

Finding the Fourth Proportional to 22,489.73, 31,038.57 and 13,058.30

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Solution

The fourth proportional to 22,489.73, 31,038.57 and 13,058.30 is: 18,022.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.73 : 31,038.57 = 13,058.30 : x
  2. Step 2: Convert to fraction form
    22,489.73/31,038.57 = 13,058.30/x
  3. Step 3: Cross multiply
    22,489.73x = 31,038.57 × 13,058.30
  4. Step 4: Simplify right side
    22,489.73x = 405,310,824.91
  5. Step 5: Solve for x
    x = 405,310,824.91/22,489.73
  6. Step 6: Final answer
    x = 18,022.04

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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.