Home / 21,562.38-32,347.26-9,876.60

Finding the Fourth Proportional to 21,562.38, 32,347.26 and 9,876.60

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Solution

The fourth proportional to 21,562.38, 32,347.26 and 9,876.60 is: 14,816.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,562.38 : 32,347.26 = 9,876.60 : x
  2. Step 2: Convert to fraction form
    21,562.38/32,347.26 = 9,876.60/x
  3. Step 3: Cross multiply
    21,562.38x = 32,347.26 × 9,876.60
  4. Step 4: Simplify right side
    21,562.38x = 319,480,948.12
  5. Step 5: Solve for x
    x = 319,480,948.12/21,562.38
  6. Step 6: Final answer
    x = 14,816.59

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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.