Home / 16,845.56-23,245.86-9,291.90

Finding the Fourth Proportional to 16,845.56, 23,245.86 and 9,291.90

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Solution

The fourth proportional to 16,845.56, 23,245.86 and 9,291.90 is: 12,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.56 : 23,245.86 = 9,291.90 : x
  2. Step 2: Convert to fraction form
    16,845.56/23,245.86 = 9,291.90/x
  3. Step 3: Cross multiply
    16,845.56x = 23,245.86 × 9,291.90
  4. Step 4: Simplify right side
    16,845.56x = 215,998,206.53
  5. Step 5: Solve for x
    x = 215,998,206.53/16,845.56
  6. Step 6: Final answer
    x = 12,822.27

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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.