Home / 16,791.78-25,199.10-6,931.02

Finding the Fourth Proportional to 16,791.78, 25,199.10 and 6,931.02

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Solution

The fourth proportional to 16,791.78, 25,199.10 and 6,931.02 is: 10,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,791.78 : 25,199.10 = 6,931.02 : x
  2. Step 2: Convert to fraction form
    16,791.78/25,199.10 = 6,931.02/x
  3. Step 3: Cross multiply
    16,791.78x = 25,199.10 × 6,931.02
  4. Step 4: Simplify right side
    16,791.78x = 174,655,466.08
  5. Step 5: Solve for x
    x = 174,655,466.08/16,791.78
  6. Step 6: Final answer
    x = 10,401.25

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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.