Home / 15,772.31-23,658.46-5,384.15

Finding the Fourth Proportional to 15,772.31, 23,658.46 and 5,384.15

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Solution

The fourth proportional to 15,772.31, 23,658.46 and 5,384.15 is: 8,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772.31 : 23,658.46 = 5,384.15 : x
  2. Step 2: Convert to fraction form
    15,772.31/23,658.46 = 5,384.15/x
  3. Step 3: Cross multiply
    15,772.31x = 23,658.46 × 5,384.15
  4. Step 4: Simplify right side
    15,772.31x = 127,380,565.66
  5. Step 5: Solve for x
    x = 127,380,565.66/15,772.31
  6. Step 6: Final answer
    x = 8,076.22

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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.