Home / 25,580.64-38,376.17-10,789.61

Finding the Fourth Proportional to 25,580.64, 38,376.17 and 10,789.61

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Solution

The fourth proportional to 25,580.64, 38,376.17 and 10,789.61 is: 16,186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,580.64 : 38,376.17 = 10,789.61 : x
  2. Step 2: Convert to fraction form
    25,580.64/38,376.17 = 10,789.61/x
  3. Step 3: Cross multiply
    25,580.64x = 38,376.17 × 10,789.61
  4. Step 4: Simplify right side
    25,580.64x = 414,063,853.65
  5. Step 5: Solve for x
    x = 414,063,853.65/25,580.64
  6. Step 6: Final answer
    x = 16,186.61

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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.