Home / 27,135.74-37,448.06-15,198.82

Finding the Fourth Proportional to 27,135.74, 37,448.06 and 15,198.82

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Solution

The fourth proportional to 27,135.74, 37,448.06 and 15,198.82 is: 20,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,135.74 : 37,448.06 = 15,198.82 : x
  2. Step 2: Convert to fraction form
    27,135.74/37,448.06 = 15,198.82/x
  3. Step 3: Cross multiply
    27,135.74x = 37,448.06 × 15,198.82
  4. Step 4: Simplify right side
    27,135.74x = 569,166,153.67
  5. Step 5: Solve for x
    x = 569,166,153.67/27,135.74
  6. Step 6: Final answer
    x = 20,974.78

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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.