Home / 25,112.73-34,653.04-15,040.91

Finding the Fourth Proportional to 25,112.73, 34,653.04 and 15,040.91

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Solution

The fourth proportional to 25,112.73, 34,653.04 and 15,040.91 is: 20,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,112.73 : 34,653.04 = 15,040.91 : x
  2. Step 2: Convert to fraction form
    25,112.73/34,653.04 = 15,040.91/x
  3. Step 3: Cross multiply
    25,112.73x = 34,653.04 × 15,040.91
  4. Step 4: Simplify right side
    25,112.73x = 521,213,255.87
  5. Step 5: Solve for x
    x = 521,213,255.87/25,112.73
  6. Step 6: Final answer
    x = 20,754.94

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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.