Home / 19,614.43-29,418.54-8,518.14

Finding the Fourth Proportional to 19,614.43, 29,418.54 and 8,518.14

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Solution

The fourth proportional to 19,614.43, 29,418.54 and 8,518.14 is: 12,775.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.43 : 29,418.54 = 8,518.14 : x
  2. Step 2: Convert to fraction form
    19,614.43/29,418.54 = 8,518.14/x
  3. Step 3: Cross multiply
    19,614.43x = 29,418.54 × 8,518.14
  4. Step 4: Simplify right side
    19,614.43x = 250,591,263.61
  5. Step 5: Solve for x
    x = 250,591,263.61/19,614.43
  6. Step 6: Final answer
    x = 12,775.86

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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.