Home / 15,401.16-23,105.22-4,871.82

Finding the Fourth Proportional to 15,401.16, 23,105.22 and 4,871.82

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Solution

The fourth proportional to 15,401.16, 23,105.22 and 4,871.82 is: 7,308.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401.16 : 23,105.22 = 4,871.82 : x
  2. Step 2: Convert to fraction form
    15,401.16/23,105.22 = 4,871.82/x
  3. Step 3: Cross multiply
    15,401.16x = 23,105.22 × 4,871.82
  4. Step 4: Simplify right side
    15,401.16x = 112,564,472.90
  5. Step 5: Solve for x
    x = 112,564,472.90/15,401.16
  6. Step 6: Final answer
    x = 7,308.83

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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.