Home / 18,223.75-25,146.88-10,669.69

Finding the Fourth Proportional to 18,223.75, 25,146.88 and 10,669.69

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Solution

The fourth proportional to 18,223.75, 25,146.88 and 10,669.69 is: 14,723.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.75 : 25,146.88 = 10,669.69 : x
  2. Step 2: Convert to fraction form
    18,223.75/25,146.88 = 10,669.69/x
  3. Step 3: Cross multiply
    18,223.75x = 25,146.88 × 10,669.69
  4. Step 4: Simplify right side
    18,223.75x = 268,309,414.07
  5. Step 5: Solve for x
    x = 268,309,414.07/18,223.75
  6. Step 6: Final answer
    x = 14,723.06

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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.