Home / 18,122.23-25,008.63-10,164.43

Finding the Fourth Proportional to 18,122.23, 25,008.63 and 10,164.43

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Solution

The fourth proportional to 18,122.23, 25,008.63 and 10,164.43 is: 14,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.23 : 25,008.63 = 10,164.43 : x
  2. Step 2: Convert to fraction form
    18,122.23/25,008.63 = 10,164.43/x
  3. Step 3: Cross multiply
    18,122.23x = 25,008.63 × 10,164.43
  4. Step 4: Simplify right side
    18,122.23x = 254,198,343.99
  5. Step 5: Solve for x
    x = 254,198,343.99/18,122.23
  6. Step 6: Final answer
    x = 14,026.88

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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.