Home / 19,165.04-28,737.83-8,767.88

Finding the Fourth Proportional to 19,165.04, 28,737.83 and 8,767.88

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Solution

The fourth proportional to 19,165.04, 28,737.83 and 8,767.88 is: 13,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.04 : 28,737.83 = 8,767.88 : x
  2. Step 2: Convert to fraction form
    19,165.04/28,737.83 = 8,767.88/x
  3. Step 3: Cross multiply
    19,165.04x = 28,737.83 × 8,767.88
  4. Step 4: Simplify right side
    19,165.04x = 251,969,657.37
  5. Step 5: Solve for x
    x = 251,969,657.37/19,165.04
  6. Step 6: Final answer
    x = 13,147.36

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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.