Home / 18,179.54-27,269.36-5,031.92

Finding the Fourth Proportional to 18,179.54, 27,269.36 and 5,031.92

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Solution

The fourth proportional to 18,179.54, 27,269.36 and 5,031.92 is: 7,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.54 : 27,269.36 = 5,031.92 : x
  2. Step 2: Convert to fraction form
    18,179.54/27,269.36 = 5,031.92/x
  3. Step 3: Cross multiply
    18,179.54x = 27,269.36 × 5,031.92
  4. Step 4: Simplify right side
    18,179.54x = 137,217,299.85
  5. Step 5: Solve for x
    x = 137,217,299.85/18,179.54
  6. Step 6: Final answer
    x = 7,547.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.