Home / 18,237.91-25,167.97-10,279.98

Finding the Fourth Proportional to 18,237.91, 25,167.97 and 10,279.98

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Solution

The fourth proportional to 18,237.91, 25,167.97 and 10,279.98 is: 14,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.91 : 25,167.97 = 10,279.98 : x
  2. Step 2: Convert to fraction form
    18,237.91/25,167.97 = 10,279.98/x
  3. Step 3: Cross multiply
    18,237.91x = 25,167.97 × 10,279.98
  4. Step 4: Simplify right side
    18,237.91x = 258,726,228.24
  5. Step 5: Solve for x
    x = 258,726,228.24/18,237.91
  6. Step 6: Final answer
    x = 14,186.18

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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.