Home / 22,269.08-30,730.13-12,195.61

Finding the Fourth Proportional to 22,269.08, 30,730.13 and 12,195.61

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Solution

The fourth proportional to 22,269.08, 30,730.13 and 12,195.61 is: 16,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.08 : 30,730.13 = 12,195.61 : x
  2. Step 2: Convert to fraction form
    22,269.08/30,730.13 = 12,195.61/x
  3. Step 3: Cross multiply
    22,269.08x = 30,730.13 × 12,195.61
  4. Step 4: Simplify right side
    22,269.08x = 374,772,830.12
  5. Step 5: Solve for x
    x = 374,772,830.12/22,269.08
  6. Step 6: Final answer
    x = 16,829.29

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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.