Home / 18,218.52-25,144.02-10,262.30

Finding the Fourth Proportional to 18,218.52, 25,144.02 and 10,262.30

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Solution

The fourth proportional to 18,218.52, 25,144.02 and 10,262.30 is: 14,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.52 : 25,144.02 = 10,262.30 : x
  2. Step 2: Convert to fraction form
    18,218.52/25,144.02 = 10,262.30/x
  3. Step 3: Cross multiply
    18,218.52x = 25,144.02 × 10,262.30
  4. Step 4: Simplify right side
    18,218.52x = 258,035,350.73
  5. Step 5: Solve for x
    x = 258,035,350.73/18,218.52
  6. Step 6: Final answer
    x = 14,163.35

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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.