Home / 13,228.66-19,842.92-3,368.08

Finding the Fourth Proportional to 13,228.66, 19,842.92 and 3,368.08

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Solution

The fourth proportional to 13,228.66, 19,842.92 and 3,368.08 is: 5,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.66 : 19,842.92 = 3,368.08 : x
  2. Step 2: Convert to fraction form
    13,228.66/19,842.92 = 3,368.08/x
  3. Step 3: Cross multiply
    13,228.66x = 19,842.92 × 3,368.08
  4. Step 4: Simplify right side
    13,228.66x = 66,832,541.99
  5. Step 5: Solve for x
    x = 66,832,541.99/13,228.66
  6. Step 6: Final answer
    x = 5,052.10

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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.