Home / 18,820.44-25,967.70-11,744.28

Finding the Fourth Proportional to 18,820.44, 25,967.70 and 11,744.28

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Solution

The fourth proportional to 18,820.44, 25,967.70 and 11,744.28 is: 16,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,820.44 : 25,967.70 = 11,744.28 : x
  2. Step 2: Convert to fraction form
    18,820.44/25,967.70 = 11,744.28/x
  3. Step 3: Cross multiply
    18,820.44x = 25,967.70 × 11,744.28
  4. Step 4: Simplify right side
    18,820.44x = 304,971,939.76
  5. Step 5: Solve for x
    x = 304,971,939.76/18,820.44
  6. Step 6: Final answer
    x = 16,204.29

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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.