Home / 16,766.40-23,145.60-10,480.80

Finding the Fourth Proportional to 16,766.40, 23,145.60 and 10,480.80

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Solution

The fourth proportional to 16,766.40, 23,145.60 and 10,480.80 is: 14,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766.40 : 23,145.60 = 10,480.80 : x
  2. Step 2: Convert to fraction form
    16,766.40/23,145.60 = 10,480.80/x
  3. Step 3: Cross multiply
    16,766.40x = 23,145.60 × 10,480.80
  4. Step 4: Simplify right side
    16,766.40x = 242,584,404.48
  5. Step 5: Solve for x
    x = 242,584,404.48/16,766.40
  6. Step 6: Final answer
    x = 14,468.48

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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.