Home / 22,152.20-30,569.30-13,195.07

Finding the Fourth Proportional to 22,152.20, 30,569.30 and 13,195.07

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Solution

The fourth proportional to 22,152.20, 30,569.30 and 13,195.07 is: 18,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152.20 : 30,569.30 = 13,195.07 : x
  2. Step 2: Convert to fraction form
    22,152.20/30,569.30 = 13,195.07/x
  3. Step 3: Cross multiply
    22,152.20x = 30,569.30 × 13,195.07
  4. Step 4: Simplify right side
    22,152.20x = 403,363,998.65
  5. Step 5: Solve for x
    x = 403,363,998.65/22,152.20
  6. Step 6: Final answer
    x = 18,208.76

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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.