Home / 22,769.08-34,155.78-8,919.16

Finding the Fourth Proportional to 22,769.08, 34,155.78 and 8,919.16

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Solution

The fourth proportional to 22,769.08, 34,155.78 and 8,919.16 is: 13,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,769.08 : 34,155.78 = 8,919.16 : x
  2. Step 2: Convert to fraction form
    22,769.08/34,155.78 = 8,919.16/x
  3. Step 3: Cross multiply
    22,769.08x = 34,155.78 × 8,919.16
  4. Step 4: Simplify right side
    22,769.08x = 304,640,866.74
  5. Step 5: Solve for x
    x = 304,640,866.74/22,769.08
  6. Step 6: Final answer
    x = 13,379.59

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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.