Home / 14,326.40-21,481.86-5,558.96

Finding the Fourth Proportional to 14,326.40, 21,481.86 and 5,558.96

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Solution

The fourth proportional to 14,326.40, 21,481.86 and 5,558.96 is: 8,335.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,326.40 : 21,481.86 = 5,558.96 : x
  2. Step 2: Convert to fraction form
    14,326.40/21,481.86 = 5,558.96/x
  3. Step 3: Cross multiply
    14,326.40x = 21,481.86 × 5,558.96
  4. Step 4: Simplify right side
    14,326.40x = 119,416,800.47
  5. Step 5: Solve for x
    x = 119,416,800.47/14,326.40
  6. Step 6: Final answer
    x = 8,335.44

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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.