Home / 13,368.36-20,046.87-4,009.71

Finding the Fourth Proportional to 13,368.36, 20,046.87 and 4,009.71

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Solution

The fourth proportional to 13,368.36, 20,046.87 and 4,009.71 is: 6,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.36 : 20,046.87 = 4,009.71 : x
  2. Step 2: Convert to fraction form
    13,368.36/20,046.87 = 4,009.71/x
  3. Step 3: Cross multiply
    13,368.36x = 20,046.87 × 4,009.71
  4. Step 4: Simplify right side
    13,368.36x = 80,382,135.11
  5. Step 5: Solve for x
    x = 80,382,135.11/13,368.36
  6. Step 6: Final answer
    x = 6,012.86

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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.