Home / 27,769.10-38,321.55-17,013.99

Finding the Fourth Proportional to 27,769.10, 38,321.55 and 17,013.99

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Solution

The fourth proportional to 27,769.10, 38,321.55 and 17,013.99 is: 23,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,769.10 : 38,321.55 = 17,013.99 : x
  2. Step 2: Convert to fraction form
    27,769.10/38,321.55 = 17,013.99/x
  3. Step 3: Cross multiply
    27,769.10x = 38,321.55 × 17,013.99
  4. Step 4: Simplify right side
    27,769.10x = 652,002,548.39
  5. Step 5: Solve for x
    x = 652,002,548.39/27,769.10
  6. Step 6: Final answer
    x = 23,479.42

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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.