Home / 18,122.12-25,008.41-10,164.34

Finding the Fourth Proportional to 18,122.12, 25,008.41 and 10,164.34

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Solution

The fourth proportional to 18,122.12, 25,008.41 and 10,164.34 is: 14,026.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.12 : 25,008.41 = 10,164.34 : x
  2. Step 2: Convert to fraction form
    18,122.12/25,008.41 = 10,164.34/x
  3. Step 3: Cross multiply
    18,122.12x = 25,008.41 × 10,164.34
  4. Step 4: Simplify right side
    18,122.12x = 254,193,982.10
  5. Step 5: Solve for x
    x = 254,193,982.10/18,122.12
  6. Step 6: Final answer
    x = 14,026.72

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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.