Home / 16,315.76-22,508-11,012.24

Finding the Fourth Proportional to 16,315.76, 22,508 and 11,012.24

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Solution

The fourth proportional to 16,315.76, 22,508 and 11,012.24 is: 15,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.76 : 22,508 = 11,012.24 : x
  2. Step 2: Convert to fraction form
    16,315.76/22,508 = 11,012.24/x
  3. Step 3: Cross multiply
    16,315.76x = 22,508 × 11,012.24
  4. Step 4: Simplify right side
    16,315.76x = 247,863,497.92
  5. Step 5: Solve for x
    x = 247,863,497.92/16,315.76
  6. Step 6: Final answer
    x = 15,191.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.