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Finding the Fourth Proportional to 16,854.60, 25,281.90 and 14,910.60

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Solution

The fourth proportional to 16,854.60, 25,281.90 and 14,910.60 is: 22,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.60 : 25,281.90 = 14,910.60 : x
  2. Step 2: Convert to fraction form
    16,854.60/25,281.90 = 14,910.60/x
  3. Step 3: Cross multiply
    16,854.60x = 25,281.90 × 14,910.60
  4. Step 4: Simplify right side
    16,854.60x = 376,968,298.14
  5. Step 5: Solve for x
    x = 376,968,298.14/16,854.60
  6. Step 6: Final answer
    x = 22,365.90

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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.