Home / 18,454.95-27,679.46-5,304.33

Finding the Fourth Proportional to 18,454.95, 27,679.46 and 5,304.33

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Solution

The fourth proportional to 18,454.95, 27,679.46 and 5,304.33 is: 7,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.95 : 27,679.46 = 5,304.33 : x
  2. Step 2: Convert to fraction form
    18,454.95/27,679.46 = 5,304.33/x
  3. Step 3: Cross multiply
    18,454.95x = 27,679.46 × 5,304.33
  4. Step 4: Simplify right side
    18,454.95x = 146,820,963.54
  5. Step 5: Solve for x
    x = 146,820,963.54/18,454.95
  6. Step 6: Final answer
    x = 7,955.64

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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.