Home / 12,932.62-17,855.58-9,943.18

Finding the Fourth Proportional to 12,932.62, 17,855.58 and 9,943.18

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Solution

The fourth proportional to 12,932.62, 17,855.58 and 9,943.18 is: 13,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.62 : 17,855.58 = 9,943.18 : x
  2. Step 2: Convert to fraction form
    12,932.62/17,855.58 = 9,943.18/x
  3. Step 3: Cross multiply
    12,932.62x = 17,855.58 × 9,943.18
  4. Step 4: Simplify right side
    12,932.62x = 177,541,245.94
  5. Step 5: Solve for x
    x = 177,541,245.94/12,932.62
  6. Step 6: Final answer
    x = 13,728.17

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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.