Home / 12,532.17-18,782.01-9,387.39

Finding the Fourth Proportional to 12,532.17, 18,782.01 and 9,387.39

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Solution

The fourth proportional to 12,532.17, 18,782.01 and 9,387.39 is: 14,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,532.17 : 18,782.01 = 9,387.39 : x
  2. Step 2: Convert to fraction form
    12,532.17/18,782.01 = 9,387.39/x
  3. Step 3: Cross multiply
    12,532.17x = 18,782.01 × 9,387.39
  4. Step 4: Simplify right side
    12,532.17x = 176,314,052.85
  5. Step 5: Solve for x
    x = 176,314,052.85/12,532.17
  6. Step 6: Final answer
    x = 14,068.92

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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.