Home / 16,005.65-22,080.92-9,630.54

Finding the Fourth Proportional to 16,005.65, 22,080.92 and 9,630.54

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Solution

The fourth proportional to 16,005.65, 22,080.92 and 9,630.54 is: 13,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,005.65 : 22,080.92 = 9,630.54 : x
  2. Step 2: Convert to fraction form
    16,005.65/22,080.92 = 9,630.54/x
  3. Step 3: Cross multiply
    16,005.65x = 22,080.92 × 9,630.54
  4. Step 4: Simplify right side
    16,005.65x = 212,651,135.14
  5. Step 5: Solve for x
    x = 212,651,135.14/16,005.65
  6. Step 6: Final answer
    x = 13,286.01

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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.