Home / 19,614.16-29,404.65-8,512.50

Finding the Fourth Proportional to 19,614.16, 29,404.65 and 8,512.50

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Solution

The fourth proportional to 19,614.16, 29,404.65 and 8,512.50 is: 12,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.16 : 29,404.65 = 8,512.50 : x
  2. Step 2: Convert to fraction form
    19,614.16/29,404.65 = 8,512.50/x
  3. Step 3: Cross multiply
    19,614.16x = 29,404.65 × 8,512.50
  4. Step 4: Simplify right side
    19,614.16x = 250,306,936.10
  5. Step 5: Solve for x
    x = 250,306,936.10/19,614.16
  6. Step 6: Final answer
    x = 12,761.55

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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.