Home / 25,121.97-34,665.75-14,515.02

Finding the Fourth Proportional to 25,121.97, 34,665.75 and 14,515.02

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Solution

The fourth proportional to 25,121.97, 34,665.75 and 14,515.02 is: 20,029.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.97 : 34,665.75 = 14,515.02 : x
  2. Step 2: Convert to fraction form
    25,121.97/34,665.75 = 14,515.02/x
  3. Step 3: Cross multiply
    25,121.97x = 34,665.75 × 14,515.02
  4. Step 4: Simplify right side
    25,121.97x = 503,174,054.57
  5. Step 5: Solve for x
    x = 503,174,054.57/25,121.97
  6. Step 6: Final answer
    x = 20,029.24

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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.