Home / 25,718.33-38,584.43-10,720.47

Finding the Fourth Proportional to 25,718.33, 38,584.43 and 10,720.47

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Solution

The fourth proportional to 25,718.33, 38,584.43 and 10,720.47 is: 16,083.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.33 : 38,584.43 = 10,720.47 : x
  2. Step 2: Convert to fraction form
    25,718.33/38,584.43 = 10,720.47/x
  3. Step 3: Cross multiply
    25,718.33x = 38,584.43 × 10,720.47
  4. Step 4: Simplify right side
    25,718.33x = 413,643,086.29
  5. Step 5: Solve for x
    x = 413,643,086.29/25,718.33
  6. Step 6: Final answer
    x = 16,083.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.