Home / 16,408.35-24,618.60-5,315.40

Finding the Fourth Proportional to 16,408.35, 24,618.60 and 5,315.40

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Solution

The fourth proportional to 16,408.35, 24,618.60 and 5,315.40 is: 7,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,408.35 : 24,618.60 = 5,315.40 : x
  2. Step 2: Convert to fraction form
    16,408.35/24,618.60 = 5,315.40/x
  3. Step 3: Cross multiply
    16,408.35x = 24,618.60 × 5,315.40
  4. Step 4: Simplify right side
    16,408.35x = 130,857,706.44
  5. Step 5: Solve for x
    x = 130,857,706.44/16,408.35
  6. Step 6: Final answer
    x = 7,975.07

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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.