Home / 16,403.50-24,621.65-8,628.72

Finding the Fourth Proportional to 16,403.50, 24,621.65 and 8,628.72

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Solution

The fourth proportional to 16,403.50, 24,621.65 and 8,628.72 is: 12,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,403.50 : 24,621.65 = 8,628.72 : x
  2. Step 2: Convert to fraction form
    16,403.50/24,621.65 = 8,628.72/x
  3. Step 3: Cross multiply
    16,403.50x = 24,621.65 × 8,628.72
  4. Step 4: Simplify right side
    16,403.50x = 212,453,323.79
  5. Step 5: Solve for x
    x = 212,453,323.79/16,403.50
  6. Step 6: Final answer
    x = 12,951.71

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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.