Home / 22,728.48-34,090.56-7,934.64

Finding the Fourth Proportional to 22,728.48, 34,090.56 and 7,934.64

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Solution

The fourth proportional to 22,728.48, 34,090.56 and 7,934.64 is: 11,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.48 : 34,090.56 = 7,934.64 : x
  2. Step 2: Convert to fraction form
    22,728.48/34,090.56 = 7,934.64/x
  3. Step 3: Cross multiply
    22,728.48x = 34,090.56 × 7,934.64
  4. Step 4: Simplify right side
    22,728.48x = 270,496,321.00
  5. Step 5: Solve for x
    x = 270,496,321.00/22,728.48
  6. Step 6: Final answer
    x = 11,901.21

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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.