Home / 19,105.60-28,634.10-17,015.80

Finding the Fourth Proportional to 19,105.60, 28,634.10 and 17,015.80

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Solution

The fourth proportional to 19,105.60, 28,634.10 and 17,015.80 is: 25,502.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,105.60 : 28,634.10 = 17,015.80 : x
  2. Step 2: Convert to fraction form
    19,105.60/28,634.10 = 17,015.80/x
  3. Step 3: Cross multiply
    19,105.60x = 28,634.10 × 17,015.80
  4. Step 4: Simplify right side
    19,105.60x = 487,232,118.78
  5. Step 5: Solve for x
    x = 487,232,118.78/19,105.60
  6. Step 6: Final answer
    x = 25,502.06

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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.