Home / 13,486.16-20,227.34-5,168.27

Finding the Fourth Proportional to 13,486.16, 20,227.34 and 5,168.27

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Solution

The fourth proportional to 13,486.16, 20,227.34 and 5,168.27 is: 7,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.16 : 20,227.34 = 5,168.27 : x
  2. Step 2: Convert to fraction form
    13,486.16/20,227.34 = 5,168.27/x
  3. Step 3: Cross multiply
    13,486.16x = 20,227.34 × 5,168.27
  4. Step 4: Simplify right side
    13,486.16x = 104,540,417.99
  5. Step 5: Solve for x
    x = 104,540,417.99/13,486.16
  6. Step 6: Final answer
    x = 7,751.68

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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.