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Finding the Fourth Proportional to 14,908.70, 20,592.04 and 10,869.13

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Solution

The fourth proportional to 14,908.70, 20,592.04 and 10,869.13 is: 15,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,908.70 : 20,592.04 = 10,869.13 : x
  2. Step 2: Convert to fraction form
    14,908.70/20,592.04 = 10,869.13/x
  3. Step 3: Cross multiply
    14,908.70x = 20,592.04 × 10,869.13
  4. Step 4: Simplify right side
    14,908.70x = 223,817,456.77
  5. Step 5: Solve for x
    x = 223,817,456.77/14,908.70
  6. Step 6: Final answer
    x = 15,012.55

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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.