Home / 14,891.49-20,550.47-8,177.73

Finding the Fourth Proportional to 14,891.49, 20,550.47 and 8,177.73

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Solution

The fourth proportional to 14,891.49, 20,550.47 and 8,177.73 is: 11,285.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,891.49 : 20,550.47 = 8,177.73 : x
  2. Step 2: Convert to fraction form
    14,891.49/20,550.47 = 8,177.73/x
  3. Step 3: Cross multiply
    14,891.49x = 20,550.47 × 8,177.73
  4. Step 4: Simplify right side
    14,891.49x = 168,056,154.14
  5. Step 5: Solve for x
    x = 168,056,154.14/14,891.49
  6. Step 6: Final answer
    x = 11,285.38

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Find fourth proportional to 14,892.49, 20,551.85 and 8,178.73
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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.