Home / 13,246.94-19,870.48-3,386.22

Finding the Fourth Proportional to 13,246.94, 19,870.48 and 3,386.22

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Solution

The fourth proportional to 13,246.94, 19,870.48 and 3,386.22 is: 5,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.94 : 19,870.48 = 3,386.22 : x
  2. Step 2: Convert to fraction form
    13,246.94/19,870.48 = 3,386.22/x
  3. Step 3: Cross multiply
    13,246.94x = 19,870.48 × 3,386.22
  4. Step 4: Simplify right side
    13,246.94x = 67,285,786.24
  5. Step 5: Solve for x
    x = 67,285,786.24/13,246.94
  6. Step 6: Final answer
    x = 5,079.35

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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.