Home / 17,276.72-23,878.70-15,229.04

Finding the Fourth Proportional to 17,276.72, 23,878.70 and 15,229.04

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Solution

The fourth proportional to 17,276.72, 23,878.70 and 15,229.04 is: 21,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,276.72 : 23,878.70 = 15,229.04 : x
  2. Step 2: Convert to fraction form
    17,276.72/23,878.70 = 15,229.04/x
  3. Step 3: Cross multiply
    17,276.72x = 23,878.70 × 15,229.04
  4. Step 4: Simplify right side
    17,276.72x = 363,649,677.45
  5. Step 5: Solve for x
    x = 363,649,677.45/17,276.72
  6. Step 6: Final answer
    x = 21,048.54

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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.