Home / 15,451.46-23,169.51-4,920.10

Finding the Fourth Proportional to 15,451.46, 23,169.51 and 4,920.10

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Solution

The fourth proportional to 15,451.46, 23,169.51 and 4,920.10 is: 7,377.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.46 : 23,169.51 = 4,920.10 : x
  2. Step 2: Convert to fraction form
    15,451.46/23,169.51 = 4,920.10/x
  3. Step 3: Cross multiply
    15,451.46x = 23,169.51 × 4,920.10
  4. Step 4: Simplify right side
    15,451.46x = 113,996,378.56
  5. Step 5: Solve for x
    x = 113,996,378.56/15,451.46
  6. Step 6: Final answer
    x = 7,377.71

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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.