Home / 27,240.77-40,863.50-7,519.33

Finding the Fourth Proportional to 27,240.77, 40,863.50 and 7,519.33

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Solution

The fourth proportional to 27,240.77, 40,863.50 and 7,519.33 is: 11,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240.77 : 40,863.50 = 7,519.33 : x
  2. Step 2: Convert to fraction form
    27,240.77/40,863.50 = 7,519.33/x
  3. Step 3: Cross multiply
    27,240.77x = 40,863.50 × 7,519.33
  4. Step 4: Simplify right side
    27,240.77x = 307,265,918.34
  5. Step 5: Solve for x
    x = 307,265,918.34/27,240.77
  6. Step 6: Final answer
    x = 11,279.64

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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.