Home / 17,387.16-23,990.27-11,732.40

Finding the Fourth Proportional to 17,387.16, 23,990.27 and 11,732.40

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Solution

The fourth proportional to 17,387.16, 23,990.27 and 11,732.40 is: 16,188.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.16 : 23,990.27 = 11,732.40 : x
  2. Step 2: Convert to fraction form
    17,387.16/23,990.27 = 11,732.40/x
  3. Step 3: Cross multiply
    17,387.16x = 23,990.27 × 11,732.40
  4. Step 4: Simplify right side
    17,387.16x = 281,463,385.09
  5. Step 5: Solve for x
    x = 281,463,385.09/17,387.16
  6. Step 6: Final answer
    x = 16,188.00

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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.