Home / 16,534.38-22,817.64-8,980.80

Finding the Fourth Proportional to 16,534.38, 22,817.64 and 8,980.80

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Solution

The fourth proportional to 16,534.38, 22,817.64 and 8,980.80 is: 12,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,534.38 : 22,817.64 = 8,980.80 : x
  2. Step 2: Convert to fraction form
    16,534.38/22,817.64 = 8,980.80/x
  3. Step 3: Cross multiply
    16,534.38x = 22,817.64 × 8,980.80
  4. Step 4: Simplify right side
    16,534.38x = 204,920,661.31
  5. Step 5: Solve for x
    x = 204,920,661.31/16,534.38
  6. Step 6: Final answer
    x = 12,393.61

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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.