Home / 25,543.83-38,302.57-11,491.86

Finding the Fourth Proportional to 25,543.83, 38,302.57 and 11,491.86

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Solution

The fourth proportional to 25,543.83, 38,302.57 and 11,491.86 is: 17,231.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,543.83 : 38,302.57 = 11,491.86 : x
  2. Step 2: Convert to fraction form
    25,543.83/38,302.57 = 11,491.86/x
  3. Step 3: Cross multiply
    25,543.83x = 38,302.57 × 11,491.86
  4. Step 4: Simplify right side
    25,543.83x = 440,167,772.08
  5. Step 5: Solve for x
    x = 440,167,772.08/25,543.83
  6. Step 6: Final answer
    x = 17,231.86

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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.