Home / 16,488.01-24,721.08-5,390.81

Finding the Fourth Proportional to 16,488.01, 24,721.08 and 5,390.81

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Solution

The fourth proportional to 16,488.01, 24,721.08 and 5,390.81 is: 8,082.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.01 : 24,721.08 = 5,390.81 : x
  2. Step 2: Convert to fraction form
    16,488.01/24,721.08 = 5,390.81/x
  3. Step 3: Cross multiply
    16,488.01x = 24,721.08 × 5,390.81
  4. Step 4: Simplify right side
    16,488.01x = 133,266,645.27
  5. Step 5: Solve for x
    x = 133,266,645.27/16,488.01
  6. Step 6: Final answer
    x = 8,082.64

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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.