Home / 15,415.05-23,122.59-3,728.28

Finding the Fourth Proportional to 15,415.05, 23,122.59 and 3,728.28

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Solution

The fourth proportional to 15,415.05, 23,122.59 and 3,728.28 is: 5,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.05 : 23,122.59 = 3,728.28 : x
  2. Step 2: Convert to fraction form
    15,415.05/23,122.59 = 3,728.28/x
  3. Step 3: Cross multiply
    15,415.05x = 23,122.59 × 3,728.28
  4. Step 4: Simplify right side
    15,415.05x = 86,207,583.55
  5. Step 5: Solve for x
    x = 86,207,583.55/15,415.05
  6. Step 6: Final answer
    x = 5,592.43

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Similar ratio
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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.