Home / 13,462.32-20,180.52-7,217.76

Finding the Fourth Proportional to 13,462.32, 20,180.52 and 7,217.76

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Solution

The fourth proportional to 13,462.32, 20,180.52 and 7,217.76 is: 10,819.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.32 : 20,180.52 = 7,217.76 : x
  2. Step 2: Convert to fraction form
    13,462.32/20,180.52 = 7,217.76/x
  3. Step 3: Cross multiply
    13,462.32x = 20,180.52 × 7,217.76
  4. Step 4: Simplify right side
    13,462.32x = 145,658,150.04
  5. Step 5: Solve for x
    x = 145,658,150.04/13,462.32
  6. Step 6: Final answer
    x = 10,819.69

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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.