Home / 13,500.48-20,247.44-5,705.04

Finding the Fourth Proportional to 13,500.48, 20,247.44 and 5,705.04

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Solution

The fourth proportional to 13,500.48, 20,247.44 and 5,705.04 is: 8,556.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.48 : 20,247.44 = 5,705.04 : x
  2. Step 2: Convert to fraction form
    13,500.48/20,247.44 = 5,705.04/x
  3. Step 3: Cross multiply
    13,500.48x = 20,247.44 × 5,705.04
  4. Step 4: Simplify right side
    13,500.48x = 115,512,455.10
  5. Step 5: Solve for x
    x = 115,512,455.10/13,500.48
  6. Step 6: Final answer
    x = 8,556.17

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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.