Home / 15,931.69-23,908.50-5,543.44

Finding the Fourth Proportional to 15,931.69, 23,908.50 and 5,543.44

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Solution

The fourth proportional to 15,931.69, 23,908.50 and 5,543.44 is: 8,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.69 : 23,908.50 = 5,543.44 : x
  2. Step 2: Convert to fraction form
    15,931.69/23,908.50 = 5,543.44/x
  3. Step 3: Cross multiply
    15,931.69x = 23,908.50 × 5,543.44
  4. Step 4: Simplify right side
    15,931.69x = 132,535,275.47
  5. Step 5: Solve for x
    x = 132,535,275.47/15,931.69
  6. Step 6: Final answer
    x = 8,318.97

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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.