Home / 25,447.56-38,189.16-17,143.44

Finding the Fourth Proportional to 25,447.56, 38,189.16 and 17,143.44

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Solution

The fourth proportional to 25,447.56, 38,189.16 and 17,143.44 is: 25,727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,447.56 : 38,189.16 = 17,143.44 : x
  2. Step 2: Convert to fraction form
    25,447.56/38,189.16 = 17,143.44/x
  3. Step 3: Cross multiply
    25,447.56x = 38,189.16 × 17,143.44
  4. Step 4: Simplify right side
    25,447.56x = 654,693,573.11
  5. Step 5: Solve for x
    x = 654,693,573.11/25,447.56
  6. Step 6: Final answer
    x = 25,727.16

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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.