Home / 22,918.14-34,382.07-7,122.79

Finding the Fourth Proportional to 22,918.14, 34,382.07 and 7,122.79

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Solution

The fourth proportional to 22,918.14, 34,382.07 and 7,122.79 is: 10,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.14 : 34,382.07 = 7,122.79 : x
  2. Step 2: Convert to fraction form
    22,918.14/34,382.07 = 7,122.79/x
  3. Step 3: Cross multiply
    22,918.14x = 34,382.07 × 7,122.79
  4. Step 4: Simplify right side
    22,918.14x = 244,896,147.76
  5. Step 5: Solve for x
    x = 244,896,147.76/22,918.14
  6. Step 6: Final answer
    x = 10,685.69

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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.