Home / 15,733.06-21,711.42-8,928.33

Finding the Fourth Proportional to 15,733.06, 21,711.42 and 8,928.33

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Solution

The fourth proportional to 15,733.06, 21,711.42 and 8,928.33 is: 12,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,733.06 : 21,711.42 = 8,928.33 : x
  2. Step 2: Convert to fraction form
    15,733.06/21,711.42 = 8,928.33/x
  3. Step 3: Cross multiply
    15,733.06x = 21,711.42 × 8,928.33
  4. Step 4: Simplify right side
    15,733.06x = 193,846,722.53
  5. Step 5: Solve for x
    x = 193,846,722.53/15,733.06
  6. Step 6: Final answer
    x = 12,320.98

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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.