Home / 17,808.66-26,712.72-6,121.98

Finding the Fourth Proportional to 17,808.66, 26,712.72 and 6,121.98

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Solution

The fourth proportional to 17,808.66, 26,712.72 and 6,121.98 is: 9,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.66 : 26,712.72 = 6,121.98 : x
  2. Step 2: Convert to fraction form
    17,808.66/26,712.72 = 6,121.98/x
  3. Step 3: Cross multiply
    17,808.66x = 26,712.72 × 6,121.98
  4. Step 4: Simplify right side
    17,808.66x = 163,534,737.59
  5. Step 5: Solve for x
    x = 163,534,737.59/17,808.66
  6. Step 6: Final answer
    x = 9,182.88

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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.