Home / 22,538.75-31,101.10-12,465.59

Finding the Fourth Proportional to 22,538.75, 31,101.10 and 12,465.59

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Solution

The fourth proportional to 22,538.75, 31,101.10 and 12,465.59 is: 17,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,538.75 : 31,101.10 = 12,465.59 : x
  2. Step 2: Convert to fraction form
    22,538.75/31,101.10 = 12,465.59/x
  3. Step 3: Cross multiply
    22,538.75x = 31,101.10 × 12,465.59
  4. Step 4: Simplify right side
    22,538.75x = 387,693,374.48
  5. Step 5: Solve for x
    x = 387,693,374.48/22,538.75
  6. Step 6: Final answer
    x = 17,201.20

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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.