Home / 16,098.65-24,138.55-7,328.78

Finding the Fourth Proportional to 16,098.65, 24,138.55 and 7,328.78

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Solution

The fourth proportional to 16,098.65, 24,138.55 and 7,328.78 is: 10,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,098.65 : 24,138.55 = 7,328.78 : x
  2. Step 2: Convert to fraction form
    16,098.65/24,138.55 = 7,328.78/x
  3. Step 3: Cross multiply
    16,098.65x = 24,138.55 × 7,328.78
  4. Step 4: Simplify right side
    16,098.65x = 176,905,965.13
  5. Step 5: Solve for x
    x = 176,905,965.13/16,098.65
  6. Step 6: Final answer
    x = 10,988.87

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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.