Home / 13,119.66-19,674.38-4,352.22

Finding the Fourth Proportional to 13,119.66, 19,674.38 and 4,352.22

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Solution

The fourth proportional to 13,119.66, 19,674.38 and 4,352.22 is: 6,526.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119.66 : 19,674.38 = 4,352.22 : x
  2. Step 2: Convert to fraction form
    13,119.66/19,674.38 = 4,352.22/x
  3. Step 3: Cross multiply
    13,119.66x = 19,674.38 × 4,352.22
  4. Step 4: Simplify right side
    13,119.66x = 85,627,230.12
  5. Step 5: Solve for x
    x = 85,627,230.12/13,119.66
  6. Step 6: Final answer
    x = 6,526.63

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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.