Home / 21,488.47-32,232.92-6,495.71

Finding the Fourth Proportional to 21,488.47, 32,232.92 and 6,495.71

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Solution

The fourth proportional to 21,488.47, 32,232.92 and 6,495.71 is: 9,743.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,488.47 : 32,232.92 = 6,495.71 : x
  2. Step 2: Convert to fraction form
    21,488.47/32,232.92 = 6,495.71/x
  3. Step 3: Cross multiply
    21,488.47x = 32,232.92 × 6,495.71
  4. Step 4: Simplify right side
    21,488.47x = 209,375,743.25
  5. Step 5: Solve for x
    x = 209,375,743.25/21,488.47
  6. Step 6: Final answer
    x = 9,743.63

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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.