Home / 27,270.17-40,900.69-7,550.72

Finding the Fourth Proportional to 27,270.17, 40,900.69 and 7,550.72

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Solution

The fourth proportional to 27,270.17, 40,900.69 and 7,550.72 is: 11,324.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,270.17 : 40,900.69 = 7,550.72 : x
  2. Step 2: Convert to fraction form
    27,270.17/40,900.69 = 7,550.72/x
  3. Step 3: Cross multiply
    27,270.17x = 40,900.69 × 7,550.72
  4. Step 4: Simplify right side
    27,270.17x = 308,829,434.62
  5. Step 5: Solve for x
    x = 308,829,434.62/27,270.17
  6. Step 6: Final answer
    x = 11,324.81

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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.