Home / 18,476.08-27,714.13-5,148.54

Finding the Fourth Proportional to 18,476.08, 27,714.13 and 5,148.54

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Solution

The fourth proportional to 18,476.08, 27,714.13 and 5,148.54 is: 7,722.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,476.08 : 27,714.13 = 5,148.54 : x
  2. Step 2: Convert to fraction form
    18,476.08/27,714.13 = 5,148.54/x
  3. Step 3: Cross multiply
    18,476.08x = 27,714.13 × 5,148.54
  4. Step 4: Simplify right side
    18,476.08x = 142,687,306.87
  5. Step 5: Solve for x
    x = 142,687,306.87/18,476.08
  6. Step 6: Final answer
    x = 7,722.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.