Home / 21,476.76-32,207.43-7,432.98

Finding the Fourth Proportional to 21,476.76, 32,207.43 and 7,432.98

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Solution

The fourth proportional to 21,476.76, 32,207.43 and 7,432.98 is: 11,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.76 : 32,207.43 = 7,432.98 : x
  2. Step 2: Convert to fraction form
    21,476.76/32,207.43 = 7,432.98/x
  3. Step 3: Cross multiply
    21,476.76x = 32,207.43 × 7,432.98
  4. Step 4: Simplify right side
    21,476.76x = 239,397,183.04
  5. Step 5: Solve for x
    x = 239,397,183.04/21,476.76
  6. Step 6: Final answer
    x = 11,146.80

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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.