Home / 20,024.99-27,640.25-13,223.97

Finding the Fourth Proportional to 20,024.99, 27,640.25 and 13,223.97

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Solution

The fourth proportional to 20,024.99, 27,640.25 and 13,223.97 is: 18,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.99 : 27,640.25 = 13,223.97 : x
  2. Step 2: Convert to fraction form
    20,024.99/27,640.25 = 13,223.97/x
  3. Step 3: Cross multiply
    20,024.99x = 27,640.25 × 13,223.97
  4. Step 4: Simplify right side
    20,024.99x = 365,513,836.79
  5. Step 5: Solve for x
    x = 365,513,836.79/20,024.99
  6. Step 6: Final answer
    x = 18,252.88

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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.