Home / 16,198.48-22,346.26-9,479.98

Finding the Fourth Proportional to 16,198.48, 22,346.26 and 9,479.98

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Solution

The fourth proportional to 16,198.48, 22,346.26 and 9,479.98 is: 13,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,198.48 : 22,346.26 = 9,479.98 : x
  2. Step 2: Convert to fraction form
    16,198.48/22,346.26 = 9,479.98/x
  3. Step 3: Cross multiply
    16,198.48x = 22,346.26 × 9,479.98
  4. Step 4: Simplify right side
    16,198.48x = 211,842,097.87
  5. Step 5: Solve for x
    x = 211,842,097.87/16,198.48
  6. Step 6: Final answer
    x = 13,077.90

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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.