Home / 13,481.19-20,223.23-5,168.25

Finding the Fourth Proportional to 13,481.19, 20,223.23 and 5,168.25

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Solution

The fourth proportional to 13,481.19, 20,223.23 and 5,168.25 is: 7,752.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481.19 : 20,223.23 = 5,168.25 : x
  2. Step 2: Convert to fraction form
    13,481.19/20,223.23 = 5,168.25/x
  3. Step 3: Cross multiply
    13,481.19x = 20,223.23 × 5,168.25
  4. Step 4: Simplify right side
    13,481.19x = 104,518,682.61
  5. Step 5: Solve for x
    x = 104,518,682.61/13,481.19
  6. Step 6: Final answer
    x = 7,752.93

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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.