Home / 25,040.67-34,540.79-19,655.01

Finding the Fourth Proportional to 25,040.67, 34,540.79 and 19,655.01

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Solution

The fourth proportional to 25,040.67, 34,540.79 and 19,655.01 is: 27,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,040.67 : 34,540.79 = 19,655.01 : x
  2. Step 2: Convert to fraction form
    25,040.67/34,540.79 = 19,655.01/x
  3. Step 3: Cross multiply
    25,040.67x = 34,540.79 × 19,655.01
  4. Step 4: Simplify right side
    25,040.67x = 678,899,474.58
  5. Step 5: Solve for x
    x = 678,899,474.58/25,040.67
  6. Step 6: Final answer
    x = 27,111.87

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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.