Home / 13,348.88-20,035.44-7,114.22

Finding the Fourth Proportional to 13,348.88, 20,035.44 and 7,114.22

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Solution

The fourth proportional to 13,348.88, 20,035.44 and 7,114.22 is: 10,677.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.88 : 20,035.44 = 7,114.22 : x
  2. Step 2: Convert to fraction form
    13,348.88/20,035.44 = 7,114.22/x
  3. Step 3: Cross multiply
    13,348.88x = 20,035.44 × 7,114.22
  4. Step 4: Simplify right side
    13,348.88x = 142,536,392.21
  5. Step 5: Solve for x
    x = 142,536,392.21/13,348.88
  6. Step 6: Final answer
    x = 10,677.78

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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.