Home / 13,046.91-19,560.78-8,372.18

Finding the Fourth Proportional to 13,046.91, 19,560.78 and 8,372.18

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Solution

The fourth proportional to 13,046.91, 19,560.78 and 8,372.18 is: 12,552.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.91 : 19,560.78 = 8,372.18 : x
  2. Step 2: Convert to fraction form
    13,046.91/19,560.78 = 8,372.18/x
  3. Step 3: Cross multiply
    13,046.91x = 19,560.78 × 8,372.18
  4. Step 4: Simplify right side
    13,046.91x = 163,766,273.30
  5. Step 5: Solve for x
    x = 163,766,273.30/13,046.91
  6. Step 6: Final answer
    x = 12,552.11

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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.