Home / 18,454.24-27,681.21-5,306.56

Finding the Fourth Proportional to 18,454.24, 27,681.21 and 5,306.56

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Solution

The fourth proportional to 18,454.24, 27,681.21 and 5,306.56 is: 7,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.24 : 27,681.21 = 5,306.56 : x
  2. Step 2: Convert to fraction form
    18,454.24/27,681.21 = 5,306.56/x
  3. Step 3: Cross multiply
    18,454.24x = 27,681.21 × 5,306.56
  4. Step 4: Simplify right side
    18,454.24x = 146,892,001.74
  5. Step 5: Solve for x
    x = 146,892,001.74/18,454.24
  6. Step 6: Final answer
    x = 7,959.80

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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.