Home / 14,217.33-19,620.45-7,930.92

Finding the Fourth Proportional to 14,217.33, 19,620.45 and 7,930.92

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Solution

The fourth proportional to 14,217.33, 19,620.45 and 7,930.92 is: 10,944.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.33 : 19,620.45 = 7,930.92 : x
  2. Step 2: Convert to fraction form
    14,217.33/19,620.45 = 7,930.92/x
  3. Step 3: Cross multiply
    14,217.33x = 19,620.45 × 7,930.92
  4. Step 4: Simplify right side
    14,217.33x = 155,608,219.31
  5. Step 5: Solve for x
    x = 155,608,219.31/14,217.33
  6. Step 6: Final answer
    x = 10,944.97

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Double scale
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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.