Home / 18,822.05-25,971.56-10,754.29

Finding the Fourth Proportional to 18,822.05, 25,971.56 and 10,754.29

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Solution

The fourth proportional to 18,822.05, 25,971.56 and 10,754.29 is: 14,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.05 : 25,971.56 = 10,754.29 : x
  2. Step 2: Convert to fraction form
    18,822.05/25,971.56 = 10,754.29/x
  3. Step 3: Cross multiply
    18,822.05x = 25,971.56 × 10,754.29
  4. Step 4: Simplify right side
    18,822.05x = 279,305,687.99
  5. Step 5: Solve for x
    x = 279,305,687.99/18,822.05
  6. Step 6: Final answer
    x = 14,839.28

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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.