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Finding the Fourth Proportional to 15,007.70, 22,479.15 and 13,366.10

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Solution

The fourth proportional to 15,007.70, 22,479.15 and 13,366.10 is: 20,020.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.70 : 22,479.15 = 13,366.10 : x
  2. Step 2: Convert to fraction form
    15,007.70/22,479.15 = 13,366.10/x
  3. Step 3: Cross multiply
    15,007.70x = 22,479.15 × 13,366.10
  4. Step 4: Simplify right side
    15,007.70x = 300,458,566.82
  5. Step 5: Solve for x
    x = 300,458,566.82/15,007.70
  6. Step 6: Final answer
    x = 20,020.29

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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.