Home / 19,019.30-28,493.39-15,919.22

Finding the Fourth Proportional to 19,019.30, 28,493.39 and 15,919.22

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Solution

The fourth proportional to 19,019.30, 28,493.39 and 15,919.22 is: 23,849.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.30 : 28,493.39 = 15,919.22 : x
  2. Step 2: Convert to fraction form
    19,019.30/28,493.39 = 15,919.22/x
  3. Step 3: Cross multiply
    19,019.30x = 28,493.39 × 15,919.22
  4. Step 4: Simplify right side
    19,019.30x = 453,592,321.89
  5. Step 5: Solve for x
    x = 453,592,321.89/19,019.30
  6. Step 6: Final answer
    x = 23,849.06

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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.