Home / 17,872.30-26,808.64-5,392.44

Finding the Fourth Proportional to 17,872.30, 26,808.64 and 5,392.44

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Solution

The fourth proportional to 17,872.30, 26,808.64 and 5,392.44 is: 8,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872.30 : 26,808.64 = 5,392.44 : x
  2. Step 2: Convert to fraction form
    17,872.30/26,808.64 = 5,392.44/x
  3. Step 3: Cross multiply
    17,872.30x = 26,808.64 × 5,392.44
  4. Step 4: Simplify right side
    17,872.30x = 144,563,868.86
  5. Step 5: Solve for x
    x = 144,563,868.86/17,872.30
  6. Step 6: Final answer
    x = 8,088.71

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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.