Home / 19,930.92-27,506.04-13,204.92

Finding the Fourth Proportional to 19,930.92, 27,506.04 and 13,204.92

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Solution

The fourth proportional to 19,930.92, 27,506.04 and 13,204.92 is: 18,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.92 : 27,506.04 = 13,204.92 : x
  2. Step 2: Convert to fraction form
    19,930.92/27,506.04 = 13,204.92/x
  3. Step 3: Cross multiply
    19,930.92x = 27,506.04 × 13,204.92
  4. Step 4: Simplify right side
    19,930.92x = 363,215,057.72
  5. Step 5: Solve for x
    x = 363,215,057.72/19,930.92
  6. Step 6: Final answer
    x = 18,223.70

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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.