Home / 18,306.57-25,262.75-10,240.41

Finding the Fourth Proportional to 18,306.57, 25,262.75 and 10,240.41

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Solution

The fourth proportional to 18,306.57, 25,262.75 and 10,240.41 is: 14,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.57 : 25,262.75 = 10,240.41 : x
  2. Step 2: Convert to fraction form
    18,306.57/25,262.75 = 10,240.41/x
  3. Step 3: Cross multiply
    18,306.57x = 25,262.75 × 10,240.41
  4. Step 4: Simplify right side
    18,306.57x = 258,700,943.33
  5. Step 5: Solve for x
    x = 258,700,943.33/18,306.57
  6. Step 6: Final answer
    x = 14,131.59

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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.