Home / 19,372.12-29,055.06-5,517.88

Finding the Fourth Proportional to 19,372.12, 29,055.06 and 5,517.88

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Solution

The fourth proportional to 19,372.12, 29,055.06 and 5,517.88 is: 8,275.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.12 : 29,055.06 = 5,517.88 : x
  2. Step 2: Convert to fraction form
    19,372.12/29,055.06 = 5,517.88/x
  3. Step 3: Cross multiply
    19,372.12x = 29,055.06 × 5,517.88
  4. Step 4: Simplify right side
    19,372.12x = 160,322,334.47
  5. Step 5: Solve for x
    x = 160,322,334.47/19,372.12
  6. Step 6: Final answer
    x = 8,275.93

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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.