Home / 20,193.91-27,883.85-18,065.63

Finding the Fourth Proportional to 20,193.91, 27,883.85 and 18,065.63

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Solution

The fourth proportional to 20,193.91, 27,883.85 and 18,065.63 is: 24,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.91 : 27,883.85 = 18,065.63 : x
  2. Step 2: Convert to fraction form
    20,193.91/27,883.85 = 18,065.63/x
  3. Step 3: Cross multiply
    20,193.91x = 27,883.85 × 18,065.63
  4. Step 4: Simplify right side
    20,193.91x = 503,739,296.46
  5. Step 5: Solve for x
    x = 503,739,296.46/20,193.91
  6. Step 6: Final answer
    x = 24,945.11

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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.