Home / 21,907.28-32,805.52-14,489.24

Finding the Fourth Proportional to 21,907.28, 32,805.52 and 14,489.24

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Solution

The fourth proportional to 21,907.28, 32,805.52 and 14,489.24 is: 21,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,907.28 : 32,805.52 = 14,489.24 : x
  2. Step 2: Convert to fraction form
    21,907.28/32,805.52 = 14,489.24/x
  3. Step 3: Cross multiply
    21,907.28x = 32,805.52 × 14,489.24
  4. Step 4: Simplify right side
    21,907.28x = 475,327,052.60
  5. Step 5: Solve for x
    x = 475,327,052.60/21,907.28
  6. Step 6: Final answer
    x = 21,697.22

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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.