Home / 18,443.88-25,453.26-10,486.83

Finding the Fourth Proportional to 18,443.88, 25,453.26 and 10,486.83

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Solution

The fourth proportional to 18,443.88, 25,453.26 and 10,486.83 is: 14,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.88 : 25,453.26 = 10,486.83 : x
  2. Step 2: Convert to fraction form
    18,443.88/25,453.26 = 10,486.83/x
  3. Step 3: Cross multiply
    18,443.88x = 25,453.26 × 10,486.83
  4. Step 4: Simplify right side
    18,443.88x = 266,924,010.57
  5. Step 5: Solve for x
    x = 266,924,010.57/18,443.88
  6. Step 6: Final answer
    x = 14,472.23

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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.