Home / 18,691.44-25,794.38-10,308.24

Finding the Fourth Proportional to 18,691.44, 25,794.38 and 10,308.24

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Solution

The fourth proportional to 18,691.44, 25,794.38 and 10,308.24 is: 14,225.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691.44 : 25,794.38 = 10,308.24 : x
  2. Step 2: Convert to fraction form
    18,691.44/25,794.38 = 10,308.24/x
  3. Step 3: Cross multiply
    18,691.44x = 25,794.38 × 10,308.24
  4. Step 4: Simplify right side
    18,691.44x = 265,894,659.69
  5. Step 5: Solve for x
    x = 265,894,659.69/18,691.44
  6. Step 6: Final answer
    x = 14,225.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.