Home / 25,612.40-38,418.60-22,331.90

Finding the Fourth Proportional to 25,612.40, 38,418.60 and 22,331.90

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Solution

The fourth proportional to 25,612.40, 38,418.60 and 22,331.90 is: 33,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612.40 : 38,418.60 = 22,331.90 : x
  2. Step 2: Convert to fraction form
    25,612.40/38,418.60 = 22,331.90/x
  3. Step 3: Cross multiply
    25,612.40x = 38,418.60 × 22,331.90
  4. Step 4: Simplify right side
    25,612.40x = 857,960,333.34
  5. Step 5: Solve for x
    x = 857,960,333.34/25,612.40
  6. Step 6: Final answer
    x = 33,497.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.