Home / 26,658.50-39,972.86-16,776.60

Finding the Fourth Proportional to 26,658.50, 39,972.86 and 16,776.60

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Solution

The fourth proportional to 26,658.50, 39,972.86 and 16,776.60 is: 25,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,658.50 : 39,972.86 = 16,776.60 : x
  2. Step 2: Convert to fraction form
    26,658.50/39,972.86 = 16,776.60/x
  3. Step 3: Cross multiply
    26,658.50x = 39,972.86 × 16,776.60
  4. Step 4: Simplify right side
    26,658.50x = 670,608,683.08
  5. Step 5: Solve for x
    x = 670,608,683.08/26,658.50
  6. Step 6: Final answer
    x = 25,155.53

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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.