Home / 16,810.74-23,198.62-9,256.92

Finding the Fourth Proportional to 16,810.74, 23,198.62 and 9,256.92

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Solution

The fourth proportional to 16,810.74, 23,198.62 and 9,256.92 is: 12,774.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,810.74 : 23,198.62 = 9,256.92 : x
  2. Step 2: Convert to fraction form
    16,810.74/23,198.62 = 9,256.92/x
  3. Step 3: Cross multiply
    16,810.74x = 23,198.62 × 9,256.92
  4. Step 4: Simplify right side
    16,810.74x = 214,747,769.45
  5. Step 5: Solve for x
    x = 214,747,769.45/16,810.74
  6. Step 6: Final answer
    x = 12,774.44

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Double scale
Find fourth proportional to 16,811.74, 23,200 and 9,257.92
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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.