Home / 16,651.78-24,987.11-6,120.43

Finding the Fourth Proportional to 16,651.78, 24,987.11 and 6,120.43

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Solution

The fourth proportional to 16,651.78, 24,987.11 and 6,120.43 is: 9,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651.78 : 24,987.11 = 6,120.43 : x
  2. Step 2: Convert to fraction form
    16,651.78/24,987.11 = 6,120.43/x
  3. Step 3: Cross multiply
    16,651.78x = 24,987.11 × 6,120.43
  4. Step 4: Simplify right side
    16,651.78x = 152,931,810.49
  5. Step 5: Solve for x
    x = 152,931,810.49/16,651.78
  6. Step 6: Final answer
    x = 9,184.11

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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.