Home / 18,454.73-27,681.12-5,306.58

Finding the Fourth Proportional to 18,454.73, 27,681.12 and 5,306.58

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Solution

The fourth proportional to 18,454.73, 27,681.12 and 5,306.58 is: 7,959.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.73 : 27,681.12 = 5,306.58 : x
  2. Step 2: Convert to fraction form
    18,454.73/27,681.12 = 5,306.58/x
  3. Step 3: Cross multiply
    18,454.73x = 27,681.12 × 5,306.58
  4. Step 4: Simplify right side
    18,454.73x = 146,892,077.77
  5. Step 5: Solve for x
    x = 146,892,077.77/18,454.73
  6. Step 6: Final answer
    x = 7,959.59

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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.