Home / 18,080.39-24,959.97-11,369.72

Finding the Fourth Proportional to 18,080.39, 24,959.97 and 11,369.72

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Solution

The fourth proportional to 18,080.39, 24,959.97 and 11,369.72 is: 15,695.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.39 : 24,959.97 = 11,369.72 : x
  2. Step 2: Convert to fraction form
    18,080.39/24,959.97 = 11,369.72/x
  3. Step 3: Cross multiply
    18,080.39x = 24,959.97 × 11,369.72
  4. Step 4: Simplify right side
    18,080.39x = 283,787,870.11
  5. Step 5: Solve for x
    x = 283,787,870.11/18,080.39
  6. Step 6: Final answer
    x = 15,695.89

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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.