Home / 22,181.48-30,609.40-12,110.36

Finding the Fourth Proportional to 22,181.48, 30,609.40 and 12,110.36

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Solution

The fourth proportional to 22,181.48, 30,609.40 and 12,110.36 is: 16,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.48 : 30,609.40 = 12,110.36 : x
  2. Step 2: Convert to fraction form
    22,181.48/30,609.40 = 12,110.36/x
  3. Step 3: Cross multiply
    22,181.48x = 30,609.40 × 12,110.36
  4. Step 4: Simplify right side
    22,181.48x = 370,690,853.38
  5. Step 5: Solve for x
    x = 370,690,853.38/22,181.48
  6. Step 6: Final answer
    x = 16,711.73

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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.