Home / 13,593.71-20,385.09-5,269.34

Finding the Fourth Proportional to 13,593.71, 20,385.09 and 5,269.34

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Solution

The fourth proportional to 13,593.71, 20,385.09 and 5,269.34 is: 7,901.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.71 : 20,385.09 = 5,269.34 : x
  2. Step 2: Convert to fraction form
    13,593.71/20,385.09 = 5,269.34/x
  3. Step 3: Cross multiply
    13,593.71x = 20,385.09 × 5,269.34
  4. Step 4: Simplify right side
    13,593.71x = 107,415,868.22
  5. Step 5: Solve for x
    x = 107,415,868.22/13,593.71
  6. Step 6: Final answer
    x = 7,901.88

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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.