Home / 22,155.96-33,230.40-6,141.72

Finding the Fourth Proportional to 22,155.96, 33,230.40 and 6,141.72

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Solution

The fourth proportional to 22,155.96, 33,230.40 and 6,141.72 is: 9,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.96 : 33,230.40 = 6,141.72 : x
  2. Step 2: Convert to fraction form
    22,155.96/33,230.40 = 6,141.72/x
  3. Step 3: Cross multiply
    22,155.96x = 33,230.40 × 6,141.72
  4. Step 4: Simplify right side
    22,155.96x = 204,091,812.29
  5. Step 5: Solve for x
    x = 204,091,812.29/22,155.96
  6. Step 6: Final answer
    x = 9,211.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.