Home / 18,648.20-28,074.38-17,015.24

Finding the Fourth Proportional to 18,648.20, 28,074.38 and 17,015.24

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Solution

The fourth proportional to 18,648.20, 28,074.38 and 17,015.24 is: 25,616.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648.20 : 28,074.38 = 17,015.24 : x
  2. Step 2: Convert to fraction form
    18,648.20/28,074.38 = 17,015.24/x
  3. Step 3: Cross multiply
    18,648.20x = 28,074.38 × 17,015.24
  4. Step 4: Simplify right side
    18,648.20x = 477,692,313.55
  5. Step 5: Solve for x
    x = 477,692,313.55/18,648.20
  6. Step 6: Final answer
    x = 25,616.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.