Home / 27,305.72-40,959.12-11,723.48

Finding the Fourth Proportional to 27,305.72, 40,959.12 and 11,723.48

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Solution

The fourth proportional to 27,305.72, 40,959.12 and 11,723.48 is: 17,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,305.72 : 40,959.12 = 11,723.48 : x
  2. Step 2: Convert to fraction form
    27,305.72/40,959.12 = 11,723.48/x
  3. Step 3: Cross multiply
    27,305.72x = 40,959.12 × 11,723.48
  4. Step 4: Simplify right side
    27,305.72x = 480,183,424.14
  5. Step 5: Solve for x
    x = 480,183,424.14/27,305.72
  6. Step 6: Final answer
    x = 17,585.45

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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.