Home / 18,583.03-27,874.95-8,719.66

Finding the Fourth Proportional to 18,583.03, 27,874.95 and 8,719.66

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Solution

The fourth proportional to 18,583.03, 27,874.95 and 8,719.66 is: 13,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.03 : 27,874.95 = 8,719.66 : x
  2. Step 2: Convert to fraction form
    18,583.03/27,874.95 = 8,719.66/x
  3. Step 3: Cross multiply
    18,583.03x = 27,874.95 × 8,719.66
  4. Step 4: Simplify right side
    18,583.03x = 243,060,086.52
  5. Step 5: Solve for x
    x = 243,060,086.52/18,583.03
  6. Step 6: Final answer
    x = 13,079.68

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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.