Home / 22,705.13-34,057.70-7,122.75

Finding the Fourth Proportional to 22,705.13, 34,057.70 and 7,122.75

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Solution

The fourth proportional to 22,705.13, 34,057.70 and 7,122.75 is: 10,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,705.13 : 34,057.70 = 7,122.75 : x
  2. Step 2: Convert to fraction form
    22,705.13/34,057.70 = 7,122.75/x
  3. Step 3: Cross multiply
    22,705.13x = 34,057.70 × 7,122.75
  4. Step 4: Simplify right side
    22,705.13x = 242,584,482.68
  5. Step 5: Solve for x
    x = 242,584,482.68/22,705.13
  6. Step 6: Final answer
    x = 10,684.13

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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.