Home / 18,264.75-25,205.49-11,195.88

Finding the Fourth Proportional to 18,264.75, 25,205.49 and 11,195.88

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Solution

The fourth proportional to 18,264.75, 25,205.49 and 11,195.88 is: 15,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.75 : 25,205.49 = 11,195.88 : x
  2. Step 2: Convert to fraction form
    18,264.75/25,205.49 = 11,195.88/x
  3. Step 3: Cross multiply
    18,264.75x = 25,205.49 × 11,195.88
  4. Step 4: Simplify right side
    18,264.75x = 282,197,641.38
  5. Step 5: Solve for x
    x = 282,197,641.38/18,264.75
  6. Step 6: Final answer
    x = 15,450.40

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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.