Home / 13,087.92-19,628.44-5,690.70

Finding the Fourth Proportional to 13,087.92, 19,628.44 and 5,690.70

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Solution

The fourth proportional to 13,087.92, 19,628.44 and 5,690.70 is: 8,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.92 : 19,628.44 = 5,690.70 : x
  2. Step 2: Convert to fraction form
    13,087.92/19,628.44 = 5,690.70/x
  3. Step 3: Cross multiply
    13,087.92x = 19,628.44 × 5,690.70
  4. Step 4: Simplify right side
    13,087.92x = 111,699,563.51
  5. Step 5: Solve for x
    x = 111,699,563.51/13,087.92
  6. Step 6: Final answer
    x = 8,534.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.