Home / 18,250.13-25,185.23-9,866.69

Finding the Fourth Proportional to 18,250.13, 25,185.23 and 9,866.69

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Solution

The fourth proportional to 18,250.13, 25,185.23 and 9,866.69 is: 13,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.13 : 25,185.23 = 9,866.69 : x
  2. Step 2: Convert to fraction form
    18,250.13/25,185.23 = 9,866.69/x
  3. Step 3: Cross multiply
    18,250.13x = 25,185.23 × 9,866.69
  4. Step 4: Simplify right side
    18,250.13x = 248,494,755.73
  5. Step 5: Solve for x
    x = 248,494,755.73/18,250.13
  6. Step 6: Final answer
    x = 13,616.06

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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.