Home / 30,126.15-41,579.97-19,217.26

Finding the Fourth Proportional to 30,126.15, 41,579.97 and 19,217.26

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Solution

The fourth proportional to 30,126.15, 41,579.97 and 19,217.26 is: 26,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.15 : 41,579.97 = 19,217.26 : x
  2. Step 2: Convert to fraction form
    30,126.15/41,579.97 = 19,217.26/x
  3. Step 3: Cross multiply
    30,126.15x = 41,579.97 × 19,217.26
  4. Step 4: Simplify right side
    30,126.15x = 799,053,094.28
  5. Step 5: Solve for x
    x = 799,053,094.28/30,126.15
  6. Step 6: Final answer
    x = 26,523.57

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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.