Home / 17,487.28-24,132.96-12,391.96

Finding the Fourth Proportional to 17,487.28, 24,132.96 and 12,391.96

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Solution

The fourth proportional to 17,487.28, 24,132.96 and 12,391.96 is: 17,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.28 : 24,132.96 = 12,391.96 : x
  2. Step 2: Convert to fraction form
    17,487.28/24,132.96 = 12,391.96/x
  3. Step 3: Cross multiply
    17,487.28x = 24,132.96 × 12,391.96
  4. Step 4: Simplify right side
    17,487.28x = 299,054,675.00
  5. Step 5: Solve for x
    x = 299,054,675.00/17,487.28
  6. Step 6: Final answer
    x = 17,101.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.