Home / 17,478.90-24,116.13-11,186.10

Finding the Fourth Proportional to 17,478.90, 24,116.13 and 11,186.10

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Solution

The fourth proportional to 17,478.90, 24,116.13 and 11,186.10 is: 15,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.90 : 24,116.13 = 11,186.10 : x
  2. Step 2: Convert to fraction form
    17,478.90/24,116.13 = 11,186.10/x
  3. Step 3: Cross multiply
    17,478.90x = 24,116.13 × 11,186.10
  4. Step 4: Simplify right side
    17,478.90x = 269,765,441.79
  5. Step 5: Solve for x
    x = 269,765,441.79/17,478.90
  6. Step 6: Final answer
    x = 15,433.78

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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.