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Finding the Fourth Proportional to 14,761.95, 20,358.95 and 12,473.54

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Solution

The fourth proportional to 14,761.95, 20,358.95 and 12,473.54 is: 17,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761.95 : 20,358.95 = 12,473.54 : x
  2. Step 2: Convert to fraction form
    14,761.95/20,358.95 = 12,473.54/x
  3. Step 3: Cross multiply
    14,761.95x = 20,358.95 × 12,473.54
  4. Step 4: Simplify right side
    14,761.95x = 253,948,203.89
  5. Step 5: Solve for x
    x = 253,948,203.89/14,761.95
  6. Step 6: Final answer
    x = 17,202.89

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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.