Home / 13,322.25-19,986.48-4,557.18

Finding the Fourth Proportional to 13,322.25, 19,986.48 and 4,557.18

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Solution

The fourth proportional to 13,322.25, 19,986.48 and 4,557.18 is: 6,836.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.25 : 19,986.48 = 4,557.18 : x
  2. Step 2: Convert to fraction form
    13,322.25/19,986.48 = 4,557.18/x
  3. Step 3: Cross multiply
    13,322.25x = 19,986.48 × 4,557.18
  4. Step 4: Simplify right side
    13,322.25x = 91,081,986.93
  5. Step 5: Solve for x
    x = 91,081,986.93/13,322.25
  6. Step 6: Final answer
    x = 6,836.83

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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.