Home / 15,561.75-23,342.64-5,040.60

Finding the Fourth Proportional to 15,561.75, 23,342.64 and 5,040.60

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Solution

The fourth proportional to 15,561.75, 23,342.64 and 5,040.60 is: 7,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.75 : 23,342.64 = 5,040.60 : x
  2. Step 2: Convert to fraction form
    15,561.75/23,342.64 = 5,040.60/x
  3. Step 3: Cross multiply
    15,561.75x = 23,342.64 × 5,040.60
  4. Step 4: Simplify right side
    15,561.75x = 117,660,911.18
  5. Step 5: Solve for x
    x = 117,660,911.18/15,561.75
  6. Step 6: Final answer
    x = 7,560.90

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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.