Home / 18,034.24-27,002.76-11,778.76

Finding the Fourth Proportional to 18,034.24, 27,002.76 and 11,778.76

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Solution

The fourth proportional to 18,034.24, 27,002.76 and 11,778.76 is: 17,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,034.24 : 27,002.76 = 11,778.76 : x
  2. Step 2: Convert to fraction form
    18,034.24/27,002.76 = 11,778.76/x
  3. Step 3: Cross multiply
    18,034.24x = 27,002.76 × 11,778.76
  4. Step 4: Simplify right side
    18,034.24x = 318,059,029.38
  5. Step 5: Solve for x
    x = 318,059,029.38/18,034.24
  6. Step 6: Final answer
    x = 17,636.40

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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.