Home / 16,830.54-23,217.60-12,844.73

Finding the Fourth Proportional to 16,830.54, 23,217.60 and 12,844.73

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Solution

The fourth proportional to 16,830.54, 23,217.60 and 12,844.73 is: 17,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.54 : 23,217.60 = 12,844.73 : x
  2. Step 2: Convert to fraction form
    16,830.54/23,217.60 = 12,844.73/x
  3. Step 3: Cross multiply
    16,830.54x = 23,217.60 × 12,844.73
  4. Step 4: Simplify right side
    16,830.54x = 298,223,909.46
  5. Step 5: Solve for x
    x = 298,223,909.46/16,830.54
  6. Step 6: Final answer
    x = 17,719.21

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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.