Home / 17,693.28-24,416.64-10,976.76

Finding the Fourth Proportional to 17,693.28, 24,416.64 and 10,976.76

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Solution

The fourth proportional to 17,693.28, 24,416.64 and 10,976.76 is: 15,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,693.28 : 24,416.64 = 10,976.76 : x
  2. Step 2: Convert to fraction form
    17,693.28/24,416.64 = 10,976.76/x
  3. Step 3: Cross multiply
    17,693.28x = 24,416.64 × 10,976.76
  4. Step 4: Simplify right side
    17,693.28x = 268,015,597.29
  5. Step 5: Solve for x
    x = 268,015,597.29/17,693.28
  6. Step 6: Final answer
    x = 15,147.88

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Double scale
Find fourth proportional to 17,694.28, 24,418.02 and 10,977.76
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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.