Home / 22,141.08-33,220.26-12,776.15

Finding the Fourth Proportional to 22,141.08, 33,220.26 and 12,776.15

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Solution

The fourth proportional to 22,141.08, 33,220.26 and 12,776.15 is: 19,169.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,141.08 : 33,220.26 = 12,776.15 : x
  2. Step 2: Convert to fraction form
    22,141.08/33,220.26 = 12,776.15/x
  3. Step 3: Cross multiply
    22,141.08x = 33,220.26 × 12,776.15
  4. Step 4: Simplify right side
    22,141.08x = 424,427,107.85
  5. Step 5: Solve for x
    x = 424,427,107.85/22,141.08
  6. Step 6: Final answer
    x = 19,169.21

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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.