Home / 20,294.44-28,024.14-12,753.84

Finding the Fourth Proportional to 20,294.44, 28,024.14 and 12,753.84

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Solution

The fourth proportional to 20,294.44, 28,024.14 and 12,753.84 is: 17,611.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.44 : 28,024.14 = 12,753.84 : x
  2. Step 2: Convert to fraction form
    20,294.44/28,024.14 = 12,753.84/x
  3. Step 3: Cross multiply
    20,294.44x = 28,024.14 × 12,753.84
  4. Step 4: Simplify right side
    20,294.44x = 357,415,397.70
  5. Step 5: Solve for x
    x = 357,415,397.70/20,294.44
  6. Step 6: Final answer
    x = 17,611.49

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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.