Home / 15,102.58-22,662.78-5,750.48

Finding the Fourth Proportional to 15,102.58, 22,662.78 and 5,750.48

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Solution

The fourth proportional to 15,102.58, 22,662.78 and 5,750.48 is: 8,629.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.58 : 22,662.78 = 5,750.48 : x
  2. Step 2: Convert to fraction form
    15,102.58/22,662.78 = 5,750.48/x
  3. Step 3: Cross multiply
    15,102.58x = 22,662.78 × 5,750.48
  4. Step 4: Simplify right side
    15,102.58x = 130,321,863.13
  5. Step 5: Solve for x
    x = 130,321,863.13/15,102.58
  6. Step 6: Final answer
    x = 8,629.11

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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.