Home / 18,238.18-25,167.18-10,282.36

Finding the Fourth Proportional to 18,238.18, 25,167.18 and 10,282.36

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Solution

The fourth proportional to 18,238.18, 25,167.18 and 10,282.36 is: 14,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.18 : 25,167.18 = 10,282.36 : x
  2. Step 2: Convert to fraction form
    18,238.18/25,167.18 = 10,282.36/x
  3. Step 3: Cross multiply
    18,238.18x = 25,167.18 × 10,282.36
  4. Step 4: Simplify right side
    18,238.18x = 258,777,969.94
  5. Step 5: Solve for x
    x = 258,777,969.94/18,238.18
  6. Step 6: Final answer
    x = 14,188.80

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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.