Home / 20,034.24-27,658.50-13,329

Finding the Fourth Proportional to 20,034.24, 27,658.50 and 13,329

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Solution

The fourth proportional to 20,034.24, 27,658.50 and 13,329 is: 18,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.24 : 27,658.50 = 13,329 : x
  2. Step 2: Convert to fraction form
    20,034.24/27,658.50 = 13,329/x
  3. Step 3: Cross multiply
    20,034.24x = 27,658.50 × 13,329
  4. Step 4: Simplify right side
    20,034.24x = 368,660,146.50
  5. Step 5: Solve for x
    x = 368,660,146.50/20,034.24
  6. Step 6: Final answer
    x = 18,401.50

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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.