Home / 27,278.91-40,919.13-7,558.92

Finding the Fourth Proportional to 27,278.91, 40,919.13 and 7,558.92

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Solution

The fourth proportional to 27,278.91, 40,919.13 and 7,558.92 is: 11,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.91 : 40,919.13 = 7,558.92 : x
  2. Step 2: Convert to fraction form
    27,278.91/40,919.13 = 7,558.92/x
  3. Step 3: Cross multiply
    27,278.91x = 40,919.13 × 7,558.92
  4. Step 4: Simplify right side
    27,278.91x = 309,304,430.14
  5. Step 5: Solve for x
    x = 309,304,430.14/27,278.91
  6. Step 6: Final answer
    x = 11,338.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.