Home / 18,454.44-27,686.36-5,306.60

Finding the Fourth Proportional to 18,454.44, 27,686.36 and 5,306.60

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Solution

The fourth proportional to 18,454.44, 27,686.36 and 5,306.60 is: 7,961.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.44 : 27,686.36 = 5,306.60 : x
  2. Step 2: Convert to fraction form
    18,454.44/27,686.36 = 5,306.60/x
  3. Step 3: Cross multiply
    18,454.44x = 27,686.36 × 5,306.60
  4. Step 4: Simplify right side
    18,454.44x = 146,920,437.98
  5. Step 5: Solve for x
    x = 146,920,437.98/18,454.44
  6. Step 6: Final answer
    x = 7,961.25

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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.