Home / 14,789.66-22,149.12-8,530.70

Finding the Fourth Proportional to 14,789.66, 22,149.12 and 8,530.70

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Solution

The fourth proportional to 14,789.66, 22,149.12 and 8,530.70 is: 12,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.66 : 22,149.12 = 8,530.70 : x
  2. Step 2: Convert to fraction form
    14,789.66/22,149.12 = 8,530.70/x
  3. Step 3: Cross multiply
    14,789.66x = 22,149.12 × 8,530.70
  4. Step 4: Simplify right side
    14,789.66x = 188,947,387.24
  5. Step 5: Solve for x
    x = 188,947,387.24/14,789.66
  6. Step 6: Final answer
    x = 12,775.65

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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.