Home / 21,476.27-32,206.68-7,432.48

Finding the Fourth Proportional to 21,476.27, 32,206.68 and 7,432.48

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Solution

The fourth proportional to 21,476.27, 32,206.68 and 7,432.48 is: 11,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.27 : 32,206.68 = 7,432.48 : x
  2. Step 2: Convert to fraction form
    21,476.27/32,206.68 = 7,432.48/x
  3. Step 3: Cross multiply
    21,476.27x = 32,206.68 × 7,432.48
  4. Step 4: Simplify right side
    21,476.27x = 239,375,467.80
  5. Step 5: Solve for x
    x = 239,375,467.80/21,476.27
  6. Step 6: Final answer
    x = 11,146.05

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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.