Home / 16,520.22-22,798.14-8,966.64

Finding the Fourth Proportional to 16,520.22, 22,798.14 and 8,966.64

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Solution

The fourth proportional to 16,520.22, 22,798.14 and 8,966.64 is: 12,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.22 : 22,798.14 = 8,966.64 : x
  2. Step 2: Convert to fraction form
    16,520.22/22,798.14 = 8,966.64/x
  3. Step 3: Cross multiply
    16,520.22x = 22,798.14 × 8,966.64
  4. Step 4: Simplify right side
    16,520.22x = 204,422,714.05
  5. Step 5: Solve for x
    x = 204,422,714.05/16,520.22
  6. Step 6: Final answer
    x = 12,374.09

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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.