Home / 13,395.78-20,093.67-5,600.34

Finding the Fourth Proportional to 13,395.78, 20,093.67 and 5,600.34

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Solution

The fourth proportional to 13,395.78, 20,093.67 and 5,600.34 is: 8,400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.78 : 20,093.67 = 5,600.34 : x
  2. Step 2: Convert to fraction form
    13,395.78/20,093.67 = 5,600.34/x
  3. Step 3: Cross multiply
    13,395.78x = 20,093.67 × 5,600.34
  4. Step 4: Simplify right side
    13,395.78x = 112,531,383.85
  5. Step 5: Solve for x
    x = 112,531,383.85/13,395.78
  6. Step 6: Final answer
    x = 8,400.51

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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.