Home / 13,757.56-20,646.36-4,993.18

Finding the Fourth Proportional to 13,757.56, 20,646.36 and 4,993.18

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Solution

The fourth proportional to 13,757.56, 20,646.36 and 4,993.18 is: 7,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.56 : 20,646.36 = 4,993.18 : x
  2. Step 2: Convert to fraction form
    13,757.56/20,646.36 = 4,993.18/x
  3. Step 3: Cross multiply
    13,757.56x = 20,646.36 × 4,993.18
  4. Step 4: Simplify right side
    13,757.56x = 103,090,991.82
  5. Step 5: Solve for x
    x = 103,090,991.82/13,757.56
  6. Step 6: Final answer
    x = 7,493.41

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1.5x scale

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.