Home / 13,182.73-18,178.35-8,700.59

Finding the Fourth Proportional to 13,182.73, 18,178.35 and 8,700.59

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Solution

The fourth proportional to 13,182.73, 18,178.35 and 8,700.59 is: 11,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.73 : 18,178.35 = 8,700.59 : x
  2. Step 2: Convert to fraction form
    13,182.73/18,178.35 = 8,700.59/x
  3. Step 3: Cross multiply
    13,182.73x = 18,178.35 × 8,700.59
  4. Step 4: Simplify right side
    13,182.73x = 158,162,370.23
  5. Step 5: Solve for x
    x = 158,162,370.23/13,182.73
  6. Step 6: Final answer
    x = 11,997.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.