Home / 22,226.77-30,672.52-12,155.18

Finding the Fourth Proportional to 22,226.77, 30,672.52 and 12,155.18

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Solution

The fourth proportional to 22,226.77, 30,672.52 and 12,155.18 is: 16,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.77 : 30,672.52 = 12,155.18 : x
  2. Step 2: Convert to fraction form
    22,226.77/30,672.52 = 12,155.18/x
  3. Step 3: Cross multiply
    22,226.77x = 30,672.52 × 12,155.18
  4. Step 4: Simplify right side
    22,226.77x = 372,830,001.65
  5. Step 5: Solve for x
    x = 372,830,001.65/22,226.77
  6. Step 6: Final answer
    x = 16,773.92

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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.