Home / 18,311.27-25,275.51-10,757.39

Finding the Fourth Proportional to 18,311.27, 25,275.51 and 10,757.39

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Solution

The fourth proportional to 18,311.27, 25,275.51 and 10,757.39 is: 14,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.27 : 25,275.51 = 10,757.39 : x
  2. Step 2: Convert to fraction form
    18,311.27/25,275.51 = 10,757.39/x
  3. Step 3: Cross multiply
    18,311.27x = 25,275.51 × 10,757.39
  4. Step 4: Simplify right side
    18,311.27x = 271,898,392.14
  5. Step 5: Solve for x
    x = 271,898,392.14/18,311.27
  6. Step 6: Final answer
    x = 14,848.70

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Double scale
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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.