Home / 17,855.28-26,783.10-6,165.75

Finding the Fourth Proportional to 17,855.28, 26,783.10 and 6,165.75

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Solution

The fourth proportional to 17,855.28, 26,783.10 and 6,165.75 is: 9,248.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.28 : 26,783.10 = 6,165.75 : x
  2. Step 2: Convert to fraction form
    17,855.28/26,783.10 = 6,165.75/x
  3. Step 3: Cross multiply
    17,855.28x = 26,783.10 × 6,165.75
  4. Step 4: Simplify right side
    17,855.28x = 165,137,898.83
  5. Step 5: Solve for x
    x = 165,137,898.83/17,855.28
  6. Step 6: Final answer
    x = 9,248.69

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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.