Home / 21,592.90-32,391.51-7,738.66

Finding the Fourth Proportional to 21,592.90, 32,391.51 and 7,738.66

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Solution

The fourth proportional to 21,592.90, 32,391.51 and 7,738.66 is: 11,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,592.90 : 32,391.51 = 7,738.66 : x
  2. Step 2: Convert to fraction form
    21,592.90/32,391.51 = 7,738.66/x
  3. Step 3: Cross multiply
    21,592.90x = 32,391.51 × 7,738.66
  4. Step 4: Simplify right side
    21,592.90x = 250,666,882.78
  5. Step 5: Solve for x
    x = 250,666,882.78/21,592.90
  6. Step 6: Final answer
    x = 11,608.76

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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.