Home / 22,340.61-30,830.36-12,269.96

Finding the Fourth Proportional to 22,340.61, 30,830.36 and 12,269.96

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Solution

The fourth proportional to 22,340.61, 30,830.36 and 12,269.96 is: 16,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,340.61 : 30,830.36 = 12,269.96 : x
  2. Step 2: Convert to fraction form
    22,340.61/30,830.36 = 12,269.96/x
  3. Step 3: Cross multiply
    22,340.61x = 30,830.36 × 12,269.96
  4. Step 4: Simplify right side
    22,340.61x = 378,287,160.51
  5. Step 5: Solve for x
    x = 378,287,160.51/22,340.61
  6. Step 6: Final answer
    x = 16,932.71

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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.