Home / 16,178.82-22,340.25-10,891.14

Finding the Fourth Proportional to 16,178.82, 22,340.25 and 10,891.14

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Solution

The fourth proportional to 16,178.82, 22,340.25 and 10,891.14 is: 15,038.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,178.82 : 22,340.25 = 10,891.14 : x
  2. Step 2: Convert to fraction form
    16,178.82/22,340.25 = 10,891.14/x
  3. Step 3: Cross multiply
    16,178.82x = 22,340.25 × 10,891.14
  4. Step 4: Simplify right side
    16,178.82x = 243,310,790.39
  5. Step 5: Solve for x
    x = 243,310,790.39/16,178.82
  6. Step 6: Final answer
    x = 15,038.85

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Half scale
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Double scale
Find fourth proportional to 16,179.82, 22,341.63 and 10,892.14
Similar ratio
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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.