Home / 18,192.51-25,105.43-10,234.79

Finding the Fourth Proportional to 18,192.51, 25,105.43 and 10,234.79

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Solution

The fourth proportional to 18,192.51, 25,105.43 and 10,234.79 is: 14,123.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.51 : 25,105.43 = 10,234.79 : x
  2. Step 2: Convert to fraction form
    18,192.51/25,105.43 = 10,234.79/x
  3. Step 3: Cross multiply
    18,192.51x = 25,105.43 × 10,234.79
  4. Step 4: Simplify right side
    18,192.51x = 256,948,803.91
  5. Step 5: Solve for x
    x = 256,948,803.91/18,192.51
  6. Step 6: Final answer
    x = 14,123.88

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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.