Home / 21,699.20-32,567.24-15,474.48

Finding the Fourth Proportional to 21,699.20, 32,567.24 and 15,474.48

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Solution

The fourth proportional to 21,699.20, 32,567.24 and 15,474.48 is: 23,224.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,699.20 : 32,567.24 = 15,474.48 : x
  2. Step 2: Convert to fraction form
    21,699.20/32,567.24 = 15,474.48/x
  3. Step 3: Cross multiply
    21,699.20x = 32,567.24 × 15,474.48
  4. Step 4: Simplify right side
    21,699.20x = 503,961,104.04
  5. Step 5: Solve for x
    x = 503,961,104.04/21,699.20
  6. Step 6: Final answer
    x = 23,224.87

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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.