Home / 25,865.66-38,721.94-15,973.13

Finding the Fourth Proportional to 25,865.66, 38,721.94 and 15,973.13

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Solution

The fourth proportional to 25,865.66, 38,721.94 and 15,973.13 is: 23,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,865.66 : 38,721.94 = 15,973.13 : x
  2. Step 2: Convert to fraction form
    25,865.66/38,721.94 = 15,973.13/x
  3. Step 3: Cross multiply
    25,865.66x = 38,721.94 × 15,973.13
  4. Step 4: Simplify right side
    25,865.66x = 618,510,581.47
  5. Step 5: Solve for x
    x = 618,510,581.47/25,865.66
  6. Step 6: Final answer
    x = 23,912.42

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1.5x scale

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.