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Finding the Fourth Proportional to 14,878.74, 20,524.92 and 10,098.96

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Solution

The fourth proportional to 14,878.74, 20,524.92 and 10,098.96 is: 13,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,878.74 : 20,524.92 = 10,098.96 : x
  2. Step 2: Convert to fraction form
    14,878.74/20,524.92 = 10,098.96/x
  3. Step 3: Cross multiply
    14,878.74x = 20,524.92 × 10,098.96
  4. Step 4: Simplify right side
    14,878.74x = 207,280,346.08
  5. Step 5: Solve for x
    x = 207,280,346.08/14,878.74
  6. Step 6: Final answer
    x = 13,931.31

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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.