Home / 22,768.91-31,435.74-15,610.74

Finding the Fourth Proportional to 22,768.91, 31,435.74 and 15,610.74

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Solution

The fourth proportional to 22,768.91, 31,435.74 and 15,610.74 is: 21,552.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,768.91 : 31,435.74 = 15,610.74 : x
  2. Step 2: Convert to fraction form
    22,768.91/31,435.74 = 15,610.74/x
  3. Step 3: Cross multiply
    22,768.91x = 31,435.74 × 15,610.74
  4. Step 4: Simplify right side
    22,768.91x = 490,735,163.85
  5. Step 5: Solve for x
    x = 490,735,163.85/22,768.91
  6. Step 6: Final answer
    x = 21,552.86

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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.