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Finding the Fourth Proportional to 15,114.90, 22,672.35 and 10,935.30

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Solution

The fourth proportional to 15,114.90, 22,672.35 and 10,935.30 is: 16,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114.90 : 22,672.35 = 10,935.30 : x
  2. Step 2: Convert to fraction form
    15,114.90/22,672.35 = 10,935.30/x
  3. Step 3: Cross multiply
    15,114.90x = 22,672.35 × 10,935.30
  4. Step 4: Simplify right side
    15,114.90x = 247,928,948.96
  5. Step 5: Solve for x
    x = 247,928,948.96/15,114.90
  6. Step 6: Final answer
    x = 16,402.95

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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.