Home / 19,997.40-27,531.84-16,454.52

Finding the Fourth Proportional to 19,997.40, 27,531.84 and 16,454.52

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Solution

The fourth proportional to 19,997.40, 27,531.84 and 16,454.52 is: 22,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.40 : 27,531.84 = 16,454.52 : x
  2. Step 2: Convert to fraction form
    19,997.40/27,531.84 = 16,454.52/x
  3. Step 3: Cross multiply
    19,997.40x = 27,531.84 × 16,454.52
  4. Step 4: Simplify right side
    19,997.40x = 453,023,211.92
  5. Step 5: Solve for x
    x = 453,023,211.92/19,997.40
  6. Step 6: Final answer
    x = 22,654.11

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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.