Home / 15,981.48-23,972.20-4,294.69

Finding the Fourth Proportional to 15,981.48, 23,972.20 and 4,294.69

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Solution

The fourth proportional to 15,981.48, 23,972.20 and 4,294.69 is: 6,442.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.48 : 23,972.20 = 4,294.69 : x
  2. Step 2: Convert to fraction form
    15,981.48/23,972.20 = 4,294.69/x
  3. Step 3: Cross multiply
    15,981.48x = 23,972.20 × 4,294.69
  4. Step 4: Simplify right side
    15,981.48x = 102,953,167.62
  5. Step 5: Solve for x
    x = 102,953,167.62/15,981.48
  6. Step 6: Final answer
    x = 6,442.03

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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.