Home / 17,638.74-26,423.42-10,227.60

Finding the Fourth Proportional to 17,638.74, 26,423.42 and 10,227.60

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Solution

The fourth proportional to 17,638.74, 26,423.42 and 10,227.60 is: 15,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.74 : 26,423.42 = 10,227.60 : x
  2. Step 2: Convert to fraction form
    17,638.74/26,423.42 = 10,227.60/x
  3. Step 3: Cross multiply
    17,638.74x = 26,423.42 × 10,227.60
  4. Step 4: Simplify right side
    17,638.74x = 270,248,119.25
  5. Step 5: Solve for x
    x = 270,248,119.25/17,638.74
  6. Step 6: Final answer
    x = 15,321.28

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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.