Home / 25,447.44-38,171.16-6,980.88

Finding the Fourth Proportional to 25,447.44, 38,171.16 and 6,980.88

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Solution

The fourth proportional to 25,447.44, 38,171.16 and 6,980.88 is: 10,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,447.44 : 38,171.16 = 6,980.88 : x
  2. Step 2: Convert to fraction form
    25,447.44/38,171.16 = 6,980.88/x
  3. Step 3: Cross multiply
    25,447.44x = 38,171.16 × 6,980.88
  4. Step 4: Simplify right side
    25,447.44x = 266,468,287.42
  5. Step 5: Solve for x
    x = 266,468,287.42/25,447.44
  6. Step 6: Final answer
    x = 10,471.32

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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.