Home / 27,418.32-37,836.99-15,480.95

Finding the Fourth Proportional to 27,418.32, 37,836.99 and 15,480.95

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Solution

The fourth proportional to 27,418.32, 37,836.99 and 15,480.95 is: 21,363.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.32 : 37,836.99 = 15,480.95 : x
  2. Step 2: Convert to fraction form
    27,418.32/37,836.99 = 15,480.95/x
  3. Step 3: Cross multiply
    27,418.32x = 37,836.99 × 15,480.95
  4. Step 4: Simplify right side
    27,418.32x = 585,752,361.16
  5. Step 5: Solve for x
    x = 585,752,361.16/27,418.32
  6. Step 6: Final answer
    x = 21,363.54

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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.