Home / 15,913.45-23,877.92-6,425.38

Finding the Fourth Proportional to 15,913.45, 23,877.92 and 6,425.38

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Solution

The fourth proportional to 15,913.45, 23,877.92 and 6,425.38 is: 9,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.45 : 23,877.92 = 6,425.38 : x
  2. Step 2: Convert to fraction form
    15,913.45/23,877.92 = 6,425.38/x
  3. Step 3: Cross multiply
    15,913.45x = 23,877.92 × 6,425.38
  4. Step 4: Simplify right side
    15,913.45x = 153,424,677.48
  5. Step 5: Solve for x
    x = 153,424,677.48/15,913.45
  6. Step 6: Final answer
    x = 9,641.20

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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.