Home / 15,207.20-22,812.38-4,113.96

Finding the Fourth Proportional to 15,207.20, 22,812.38 and 4,113.96

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Solution

The fourth proportional to 15,207.20, 22,812.38 and 4,113.96 is: 6,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,207.20 : 22,812.38 = 4,113.96 : x
  2. Step 2: Convert to fraction form
    15,207.20/22,812.38 = 4,113.96/x
  3. Step 3: Cross multiply
    15,207.20x = 22,812.38 × 4,113.96
  4. Step 4: Simplify right side
    15,207.20x = 93,849,218.82
  5. Step 5: Solve for x
    x = 93,849,218.82/15,207.20
  6. Step 6: Final answer
    x = 6,171.37

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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.