Home / 15,912.47-23,865.62-15,122.19

Finding the Fourth Proportional to 15,912.47, 23,865.62 and 15,122.19

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Solution

The fourth proportional to 15,912.47, 23,865.62 and 15,122.19 is: 22,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.47 : 23,865.62 = 15,122.19 : x
  2. Step 2: Convert to fraction form
    15,912.47/23,865.62 = 15,122.19/x
  3. Step 3: Cross multiply
    15,912.47x = 23,865.62 × 15,122.19
  4. Step 4: Simplify right side
    15,912.47x = 360,900,320.78
  5. Step 5: Solve for x
    x = 360,900,320.78/15,912.47
  6. Step 6: Final answer
    x = 22,680.35

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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.