Home / 18,498.62-25,528.55-10,115.74

Finding the Fourth Proportional to 18,498.62, 25,528.55 and 10,115.74

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Solution

The fourth proportional to 18,498.62, 25,528.55 and 10,115.74 is: 13,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498.62 : 25,528.55 = 10,115.74 : x
  2. Step 2: Convert to fraction form
    18,498.62/25,528.55 = 10,115.74/x
  3. Step 3: Cross multiply
    18,498.62x = 25,528.55 × 10,115.74
  4. Step 4: Simplify right side
    18,498.62x = 258,240,174.38
  5. Step 5: Solve for x
    x = 258,240,174.38/18,498.62
  6. Step 6: Final answer
    x = 13,959.97

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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.