Home / 25,057.16-34,578.49-13,726.56

Finding the Fourth Proportional to 25,057.16, 34,578.49 and 13,726.56

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Solution

The fourth proportional to 25,057.16, 34,578.49 and 13,726.56 is: 18,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,057.16 : 34,578.49 = 13,726.56 : x
  2. Step 2: Convert to fraction form
    25,057.16/34,578.49 = 13,726.56/x
  3. Step 3: Cross multiply
    25,057.16x = 34,578.49 × 13,726.56
  4. Step 4: Simplify right side
    25,057.16x = 474,643,717.69
  5. Step 5: Solve for x
    x = 474,643,717.69/25,057.16
  6. Step 6: Final answer
    x = 18,942.44

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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.