Home / 17,478.27-24,119.87-9,520.43

Finding the Fourth Proportional to 17,478.27, 24,119.87 and 9,520.43

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Solution

The fourth proportional to 17,478.27, 24,119.87 and 9,520.43 is: 13,138.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.27 : 24,119.87 = 9,520.43 : x
  2. Step 2: Convert to fraction form
    17,478.27/24,119.87 = 9,520.43/x
  3. Step 3: Cross multiply
    17,478.27x = 24,119.87 × 9,520.43
  4. Step 4: Simplify right side
    17,478.27x = 229,631,365.74
  5. Step 5: Solve for x
    x = 229,631,365.74/17,478.27
  6. Step 6: Final answer
    x = 13,138.11

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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.