Home / 16,197.76-22,345.27-9,479.22

Finding the Fourth Proportional to 16,197.76, 22,345.27 and 9,479.22

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Solution

The fourth proportional to 16,197.76, 22,345.27 and 9,479.22 is: 13,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,197.76 : 22,345.27 = 9,479.22 : x
  2. Step 2: Convert to fraction form
    16,197.76/22,345.27 = 9,479.22/x
  3. Step 3: Cross multiply
    16,197.76x = 22,345.27 × 9,479.22
  4. Step 4: Simplify right side
    16,197.76x = 211,815,730.29
  5. Step 5: Solve for x
    x = 211,815,730.29/16,197.76
  6. Step 6: Final answer
    x = 13,076.85

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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.