Home / 20,196.66-30,301.18-10,342.92

Finding the Fourth Proportional to 20,196.66, 30,301.18 and 10,342.92

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Solution

The fourth proportional to 20,196.66, 30,301.18 and 10,342.92 is: 15,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.66 : 30,301.18 = 10,342.92 : x
  2. Step 2: Convert to fraction form
    20,196.66/30,301.18 = 10,342.92/x
  3. Step 3: Cross multiply
    20,196.66x = 30,301.18 × 10,342.92
  4. Step 4: Simplify right side
    20,196.66x = 313,402,680.65
  5. Step 5: Solve for x
    x = 313,402,680.65/20,196.66
  6. Step 6: Final answer
    x = 15,517.55

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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.