Home / 18,192.90-25,107.66-10,234.65

Finding the Fourth Proportional to 18,192.90, 25,107.66 and 10,234.65

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Solution

The fourth proportional to 18,192.90, 25,107.66 and 10,234.65 is: 14,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.90 : 25,107.66 = 10,234.65 : x
  2. Step 2: Convert to fraction form
    18,192.90/25,107.66 = 10,234.65/x
  3. Step 3: Cross multiply
    18,192.90x = 25,107.66 × 10,234.65
  4. Step 4: Simplify right side
    18,192.90x = 256,968,112.42
  5. Step 5: Solve for x
    x = 256,968,112.42/18,192.90
  6. Step 6: Final answer
    x = 14,124.64

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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.