Home / 13,076.59-19,615.02-5,181.02

Finding the Fourth Proportional to 13,076.59, 19,615.02 and 5,181.02

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Solution

The fourth proportional to 13,076.59, 19,615.02 and 5,181.02 is: 7,771.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.59 : 19,615.02 = 5,181.02 : x
  2. Step 2: Convert to fraction form
    13,076.59/19,615.02 = 5,181.02/x
  3. Step 3: Cross multiply
    13,076.59x = 19,615.02 × 5,181.02
  4. Step 4: Simplify right side
    13,076.59x = 101,625,859.96
  5. Step 5: Solve for x
    x = 101,625,859.96/13,076.59
  6. Step 6: Final answer
    x = 7,771.59

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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.