Home / 14,786.61-22,168.12-8,539.53

Finding the Fourth Proportional to 14,786.61, 22,168.12 and 8,539.53

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Solution

The fourth proportional to 14,786.61, 22,168.12 and 8,539.53 is: 12,802.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.61 : 22,168.12 = 8,539.53 : x
  2. Step 2: Convert to fraction form
    14,786.61/22,168.12 = 8,539.53/x
  3. Step 3: Cross multiply
    14,786.61x = 22,168.12 × 8,539.53
  4. Step 4: Simplify right side
    14,786.61x = 189,305,325.78
  5. Step 5: Solve for x
    x = 189,305,325.78/14,786.61
  6. Step 6: Final answer
    x = 12,802.48

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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.