Home / 13,040.95-19,552.78-4,719.88

Finding the Fourth Proportional to 13,040.95, 19,552.78 and 4,719.88

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Solution

The fourth proportional to 13,040.95, 19,552.78 and 4,719.88 is: 7,076.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.95 : 19,552.78 = 4,719.88 : x
  2. Step 2: Convert to fraction form
    13,040.95/19,552.78 = 4,719.88/x
  3. Step 3: Cross multiply
    13,040.95x = 19,552.78 × 4,719.88
  4. Step 4: Simplify right side
    13,040.95x = 92,286,775.27
  5. Step 5: Solve for x
    x = 92,286,775.27/13,040.95
  6. Step 6: Final answer
    x = 7,076.69

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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.