Home / 13,203.29-19,804.95-3,342.57

Finding the Fourth Proportional to 13,203.29, 19,804.95 and 3,342.57

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Solution

The fourth proportional to 13,203.29, 19,804.95 and 3,342.57 is: 5,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.29 : 19,804.95 = 3,342.57 : x
  2. Step 2: Convert to fraction form
    13,203.29/19,804.95 = 3,342.57/x
  3. Step 3: Cross multiply
    13,203.29x = 19,804.95 × 3,342.57
  4. Step 4: Simplify right side
    13,203.29x = 66,199,382.21
  5. Step 5: Solve for x
    x = 66,199,382.21/13,203.29
  6. Step 6: Final answer
    x = 5,013.86

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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.