Home / 17,639.20-24,343.78-10,086.14

Finding the Fourth Proportional to 17,639.20, 24,343.78 and 10,086.14

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Solution

The fourth proportional to 17,639.20, 24,343.78 and 10,086.14 is: 13,919.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.20 : 24,343.78 = 10,086.14 : x
  2. Step 2: Convert to fraction form
    17,639.20/24,343.78 = 10,086.14/x
  3. Step 3: Cross multiply
    17,639.20x = 24,343.78 × 10,086.14
  4. Step 4: Simplify right side
    17,639.20x = 245,534,773.21
  5. Step 5: Solve for x
    x = 245,534,773.21/17,639.20
  6. Step 6: Final answer
    x = 13,919.84

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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.