Home / 18,307.26-25,264-9,923.76

Finding the Fourth Proportional to 18,307.26, 25,264 and 9,923.76

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Solution

The fourth proportional to 18,307.26, 25,264 and 9,923.76 is: 13,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.26 : 25,264 = 9,923.76 : x
  2. Step 2: Convert to fraction form
    18,307.26/25,264 = 9,923.76/x
  3. Step 3: Cross multiply
    18,307.26x = 25,264 × 9,923.76
  4. Step 4: Simplify right side
    18,307.26x = 250,713,872.64
  5. Step 5: Solve for x
    x = 250,713,872.64/18,307.26
  6. Step 6: Final answer
    x = 13,694.78

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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.