Home / 12,712.26-19,068.68-3,353.22

Finding the Fourth Proportional to 12,712.26, 19,068.68 and 3,353.22

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Solution

The fourth proportional to 12,712.26, 19,068.68 and 3,353.22 is: 5,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712.26 : 19,068.68 = 3,353.22 : x
  2. Step 2: Convert to fraction form
    12,712.26/19,068.68 = 3,353.22/x
  3. Step 3: Cross multiply
    12,712.26x = 19,068.68 × 3,353.22
  4. Step 4: Simplify right side
    12,712.26x = 63,941,501.32
  5. Step 5: Solve for x
    x = 63,941,501.32/12,712.26
  6. Step 6: Final answer
    x = 5,029.91

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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.