Home / 25,408.68-35,065.24-15,336.96

Finding the Fourth Proportional to 25,408.68, 35,065.24 and 15,336.96

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Solution

The fourth proportional to 25,408.68, 35,065.24 and 15,336.96 is: 21,165.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,408.68 : 35,065.24 = 15,336.96 : x
  2. Step 2: Convert to fraction form
    25,408.68/35,065.24 = 15,336.96/x
  3. Step 3: Cross multiply
    25,408.68x = 35,065.24 × 15,336.96
  4. Step 4: Simplify right side
    25,408.68x = 537,794,183.27
  5. Step 5: Solve for x
    x = 537,794,183.27/25,408.68
  6. Step 6: Final answer
    x = 21,165.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.