Home / 18,222.93-25,143.22-10,265.15

Finding the Fourth Proportional to 18,222.93, 25,143.22 and 10,265.15

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Solution

The fourth proportional to 18,222.93, 25,143.22 and 10,265.15 is: 14,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.93 : 25,143.22 = 10,265.15 : x
  2. Step 2: Convert to fraction form
    18,222.93/25,143.22 = 10,265.15/x
  3. Step 3: Cross multiply
    18,222.93x = 25,143.22 × 10,265.15
  4. Step 4: Simplify right side
    18,222.93x = 258,098,924.78
  5. Step 5: Solve for x
    x = 258,098,924.78/18,222.93
  6. Step 6: Final answer
    x = 14,163.42

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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.