Home / 13,712.22-20,568.51-4,946.58

Finding the Fourth Proportional to 13,712.22, 20,568.51 and 4,946.58

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Solution

The fourth proportional to 13,712.22, 20,568.51 and 4,946.58 is: 7,419.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.22 : 20,568.51 = 4,946.58 : x
  2. Step 2: Convert to fraction form
    13,712.22/20,568.51 = 4,946.58/x
  3. Step 3: Cross multiply
    13,712.22x = 20,568.51 × 4,946.58
  4. Step 4: Simplify right side
    13,712.22x = 101,743,780.20
  5. Step 5: Solve for x
    x = 101,743,780.20/13,712.22
  6. Step 6: Final answer
    x = 7,419.93

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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.