Home / 27,133.68-40,694.15-7,407.54

Finding the Fourth Proportional to 27,133.68, 40,694.15 and 7,407.54

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Solution

The fourth proportional to 27,133.68, 40,694.15 and 7,407.54 is: 11,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,133.68 : 40,694.15 = 7,407.54 : x
  2. Step 2: Convert to fraction form
    27,133.68/40,694.15 = 7,407.54/x
  3. Step 3: Cross multiply
    27,133.68x = 40,694.15 × 7,407.54
  4. Step 4: Simplify right side
    27,133.68x = 301,443,506.85
  5. Step 5: Solve for x
    x = 301,443,506.85/27,133.68
  6. Step 6: Final answer
    x = 11,109.57

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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.