Home / 18,538.43-25,583.06-10,040.57

Finding the Fourth Proportional to 18,538.43, 25,583.06 and 10,040.57

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Solution

The fourth proportional to 18,538.43, 25,583.06 and 10,040.57 is: 13,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.43 : 25,583.06 = 10,040.57 : x
  2. Step 2: Convert to fraction form
    18,538.43/25,583.06 = 10,040.57/x
  3. Step 3: Cross multiply
    18,538.43x = 25,583.06 × 10,040.57
  4. Step 4: Simplify right side
    18,538.43x = 256,868,369.44
  5. Step 5: Solve for x
    x = 256,868,369.44/18,538.43
  6. Step 6: Final answer
    x = 13,856.00

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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.