Home / 15,556.96-21,469.12-8,483.04

Finding the Fourth Proportional to 15,556.96, 21,469.12 and 8,483.04

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Solution

The fourth proportional to 15,556.96, 21,469.12 and 8,483.04 is: 11,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.96 : 21,469.12 = 8,483.04 : x
  2. Step 2: Convert to fraction form
    15,556.96/21,469.12 = 8,483.04/x
  3. Step 3: Cross multiply
    15,556.96x = 21,469.12 × 8,483.04
  4. Step 4: Simplify right side
    15,556.96x = 182,123,403.72
  5. Step 5: Solve for x
    x = 182,123,403.72/15,556.96
  6. Step 6: Final answer
    x = 11,706.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.