Home / 22,287.37-30,755.60-13,329.58

Finding the Fourth Proportional to 22,287.37, 30,755.60 and 13,329.58

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Solution

The fourth proportional to 22,287.37, 30,755.60 and 13,329.58 is: 18,394.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,287.37 : 30,755.60 = 13,329.58 : x
  2. Step 2: Convert to fraction form
    22,287.37/30,755.60 = 13,329.58/x
  3. Step 3: Cross multiply
    22,287.37x = 30,755.60 × 13,329.58
  4. Step 4: Simplify right side
    22,287.37x = 409,959,230.65
  5. Step 5: Solve for x
    x = 409,959,230.65/22,287.37
  6. Step 6: Final answer
    x = 18,394.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.