Home / 27,663.76-38,163.64-17,049.52

Finding the Fourth Proportional to 27,663.76, 38,163.64 and 17,049.52

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Solution

The fourth proportional to 27,663.76, 38,163.64 and 17,049.52 is: 23,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,663.76 : 38,163.64 = 17,049.52 : x
  2. Step 2: Convert to fraction form
    27,663.76/38,163.64 = 17,049.52/x
  3. Step 3: Cross multiply
    27,663.76x = 38,163.64 × 17,049.52
  4. Step 4: Simplify right side
    27,663.76x = 650,671,743.45
  5. Step 5: Solve for x
    x = 650,671,743.45/27,663.76
  6. Step 6: Final answer
    x = 23,520.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.