Home / 13,967.76-20,955.24-4,107.36

Finding the Fourth Proportional to 13,967.76, 20,955.24 and 4,107.36

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Solution

The fourth proportional to 13,967.76, 20,955.24 and 4,107.36 is: 6,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.76 : 20,955.24 = 4,107.36 : x
  2. Step 2: Convert to fraction form
    13,967.76/20,955.24 = 4,107.36/x
  3. Step 3: Cross multiply
    13,967.76x = 20,955.24 × 4,107.36
  4. Step 4: Simplify right side
    13,967.76x = 86,070,714.57
  5. Step 5: Solve for x
    x = 86,070,714.57/13,967.76
  6. Step 6: Final answer
    x = 6,162.10

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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.