Home / 14,932.25-20,601.38-8,471.17

Finding the Fourth Proportional to 14,932.25, 20,601.38 and 8,471.17

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Solution

The fourth proportional to 14,932.25, 20,601.38 and 8,471.17 is: 11,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,932.25 : 20,601.38 = 8,471.17 : x
  2. Step 2: Convert to fraction form
    14,932.25/20,601.38 = 8,471.17/x
  3. Step 3: Cross multiply
    14,932.25x = 20,601.38 × 8,471.17
  4. Step 4: Simplify right side
    14,932.25x = 174,517,761.89
  5. Step 5: Solve for x
    x = 174,517,761.89/14,932.25
  6. Step 6: Final answer
    x = 11,687.31

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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.