Home / 16,981.56-25,471.26-10,408.68

Finding the Fourth Proportional to 16,981.56, 25,471.26 and 10,408.68

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Solution

The fourth proportional to 16,981.56, 25,471.26 and 10,408.68 is: 15,612.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.56 : 25,471.26 = 10,408.68 : x
  2. Step 2: Convert to fraction form
    16,981.56/25,471.26 = 10,408.68/x
  3. Step 3: Cross multiply
    16,981.56x = 25,471.26 × 10,408.68
  4. Step 4: Simplify right side
    16,981.56x = 265,122,194.54
  5. Step 5: Solve for x
    x = 265,122,194.54/16,981.56
  6. Step 6: Final answer
    x = 15,612.36

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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.