Home / 19,170.05-28,759.85-15,236.15

Finding the Fourth Proportional to 19,170.05, 28,759.85 and 15,236.15

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Solution

The fourth proportional to 19,170.05, 28,759.85 and 15,236.15 is: 22,858.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.05 : 28,759.85 = 15,236.15 : x
  2. Step 2: Convert to fraction form
    19,170.05/28,759.85 = 15,236.15/x
  3. Step 3: Cross multiply
    19,170.05x = 28,759.85 × 15,236.15
  4. Step 4: Simplify right side
    19,170.05x = 438,189,312.40
  5. Step 5: Solve for x
    x = 438,189,312.40/19,170.05
  6. Step 6: Final answer
    x = 22,858.02

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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.