Home / 14,627.28-20,186.04-8,339.52

Finding the Fourth Proportional to 14,627.28, 20,186.04 and 8,339.52

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Solution

The fourth proportional to 14,627.28, 20,186.04 and 8,339.52 is: 11,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,627.28 : 20,186.04 = 8,339.52 : x
  2. Step 2: Convert to fraction form
    14,627.28/20,186.04 = 8,339.52/x
  3. Step 3: Cross multiply
    14,627.28x = 20,186.04 × 8,339.52
  4. Step 4: Simplify right side
    14,627.28x = 168,341,884.30
  5. Step 5: Solve for x
    x = 168,341,884.30/14,627.28
  6. Step 6: Final answer
    x = 11,508.76

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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.