Home / 19,659.90-29,420.60-16,107.24

Finding the Fourth Proportional to 19,659.90, 29,420.60 and 16,107.24

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Solution

The fourth proportional to 19,659.90, 29,420.60 and 16,107.24 is: 24,104.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.90 : 29,420.60 = 16,107.24 : x
  2. Step 2: Convert to fraction form
    19,659.90/29,420.60 = 16,107.24/x
  3. Step 3: Cross multiply
    19,659.90x = 29,420.60 × 16,107.24
  4. Step 4: Simplify right side
    19,659.90x = 473,884,584.61
  5. Step 5: Solve for x
    x = 473,884,584.61/19,659.90
  6. Step 6: Final answer
    x = 24,104.12

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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.