Home / 22,340.12-30,828.78-12,268.52

Finding the Fourth Proportional to 22,340.12, 30,828.78 and 12,268.52

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Solution

The fourth proportional to 22,340.12, 30,828.78 and 12,268.52 is: 16,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,340.12 : 30,828.78 = 12,268.52 : x
  2. Step 2: Convert to fraction form
    22,340.12/30,828.78 = 12,268.52/x
  3. Step 3: Cross multiply
    22,340.12x = 30,828.78 × 12,268.52
  4. Step 4: Simplify right side
    22,340.12x = 378,223,504.01
  5. Step 5: Solve for x
    x = 378,223,504.01/22,340.12
  6. Step 6: Final answer
    x = 16,930.24

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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.