Home / 17,727.60-24,469.11-12,423.72

Finding the Fourth Proportional to 17,727.60, 24,469.11 and 12,423.72

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Solution

The fourth proportional to 17,727.60, 24,469.11 and 12,423.72 is: 17,148.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,727.60 : 24,469.11 = 12,423.72 : x
  2. Step 2: Convert to fraction form
    17,727.60/24,469.11 = 12,423.72/x
  3. Step 3: Cross multiply
    17,727.60x = 24,469.11 × 12,423.72
  4. Step 4: Simplify right side
    17,727.60x = 303,997,371.29
  5. Step 5: Solve for x
    x = 303,997,371.29/17,727.60
  6. Step 6: Final answer
    x = 17,148.25

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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.