Home / 23,121.18-34,653.45-9,945.66

Finding the Fourth Proportional to 23,121.18, 34,653.45 and 9,945.66

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Solution

The fourth proportional to 23,121.18, 34,653.45 and 9,945.66 is: 14,906.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121.18 : 34,653.45 = 9,945.66 : x
  2. Step 2: Convert to fraction form
    23,121.18/34,653.45 = 9,945.66/x
  3. Step 3: Cross multiply
    23,121.18x = 34,653.45 × 9,945.66
  4. Step 4: Simplify right side
    23,121.18x = 344,651,431.53
  5. Step 5: Solve for x
    x = 344,651,431.53/23,121.18
  6. Step 6: Final answer
    x = 14,906.31

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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.