Home / 25,667.82-38,523.60-15,122.40

Finding the Fourth Proportional to 25,667.82, 38,523.60 and 15,122.40

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Solution

The fourth proportional to 25,667.82, 38,523.60 and 15,122.40 is: 22,696.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,667.82 : 38,523.60 = 15,122.40 : x
  2. Step 2: Convert to fraction form
    25,667.82/38,523.60 = 15,122.40/x
  3. Step 3: Cross multiply
    25,667.82x = 38,523.60 × 15,122.40
  4. Step 4: Simplify right side
    25,667.82x = 582,569,144.18
  5. Step 5: Solve for x
    x = 582,569,144.18/25,667.82
  6. Step 6: Final answer
    x = 22,696.48

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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.