Home / 23,270.68-34,906.12-7,478.12

Finding the Fourth Proportional to 23,270.68, 34,906.12 and 7,478.12

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Solution

The fourth proportional to 23,270.68, 34,906.12 and 7,478.12 is: 11,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,270.68 : 34,906.12 = 7,478.12 : x
  2. Step 2: Convert to fraction form
    23,270.68/34,906.12 = 7,478.12/x
  3. Step 3: Cross multiply
    23,270.68x = 34,906.12 × 7,478.12
  4. Step 4: Simplify right side
    23,270.68x = 261,032,154.09
  5. Step 5: Solve for x
    x = 261,032,154.09/23,270.68
  6. Step 6: Final answer
    x = 11,217.21

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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.