Home / 13,405.54-20,114.97-6,015.22

Finding the Fourth Proportional to 13,405.54, 20,114.97 and 6,015.22

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Solution

The fourth proportional to 13,405.54, 20,114.97 and 6,015.22 is: 9,025.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405.54 : 20,114.97 = 6,015.22 : x
  2. Step 2: Convert to fraction form
    13,405.54/20,114.97 = 6,015.22/x
  3. Step 3: Cross multiply
    13,405.54x = 20,114.97 × 6,015.22
  4. Step 4: Simplify right side
    13,405.54x = 120,995,969.84
  5. Step 5: Solve for x
    x = 120,995,969.84/13,405.54
  6. Step 6: Final answer
    x = 9,025.82

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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.