Home / 15,616.86-23,425.29-3,930.07

Finding the Fourth Proportional to 15,616.86, 23,425.29 and 3,930.07

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Solution

The fourth proportional to 15,616.86, 23,425.29 and 3,930.07 is: 5,895.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.86 : 23,425.29 = 3,930.07 : x
  2. Step 2: Convert to fraction form
    15,616.86/23,425.29 = 3,930.07/x
  3. Step 3: Cross multiply
    15,616.86x = 23,425.29 × 3,930.07
  4. Step 4: Simplify right side
    15,616.86x = 92,063,029.47
  5. Step 5: Solve for x
    x = 92,063,029.47/15,616.86
  6. Step 6: Final answer
    x = 5,895.11

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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.