Home / 22,339.48-30,828.51-12,268.57

Finding the Fourth Proportional to 22,339.48, 30,828.51 and 12,268.57

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Solution

The fourth proportional to 22,339.48, 30,828.51 and 12,268.57 is: 16,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,339.48 : 30,828.51 = 12,268.57 : x
  2. Step 2: Convert to fraction form
    22,339.48/30,828.51 = 12,268.57/x
  3. Step 3: Cross multiply
    22,339.48x = 30,828.51 × 12,268.57
  4. Step 4: Simplify right side
    22,339.48x = 378,221,732.93
  5. Step 5: Solve for x
    x = 378,221,732.93/22,339.48
  6. Step 6: Final answer
    x = 16,930.64

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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.