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Finding the Fourth Proportional to 14,854.62, 20,494.98 and 8,481

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Solution

The fourth proportional to 14,854.62, 20,494.98 and 8,481 is: 11,701.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854.62 : 20,494.98 = 8,481 : x
  2. Step 2: Convert to fraction form
    14,854.62/20,494.98 = 8,481/x
  3. Step 3: Cross multiply
    14,854.62x = 20,494.98 × 8,481
  4. Step 4: Simplify right side
    14,854.62x = 173,817,925.38
  5. Step 5: Solve for x
    x = 173,817,925.38/14,854.62
  6. Step 6: Final answer
    x = 11,701.27

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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.