Home / 13,756.68-20,645.94-4,994.12

Finding the Fourth Proportional to 13,756.68, 20,645.94 and 4,994.12

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Solution

The fourth proportional to 13,756.68, 20,645.94 and 4,994.12 is: 7,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.68 : 20,645.94 = 4,994.12 : x
  2. Step 2: Convert to fraction form
    13,756.68/20,645.94 = 4,994.12/x
  3. Step 3: Cross multiply
    13,756.68x = 20,645.94 × 4,994.12
  4. Step 4: Simplify right side
    13,756.68x = 103,108,301.87
  5. Step 5: Solve for x
    x = 103,108,301.87/13,756.68
  6. Step 6: Final answer
    x = 7,495.14

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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.