Home / 16,769.43-23,135.85-9,961.74

Finding the Fourth Proportional to 16,769.43, 23,135.85 and 9,961.74

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Solution

The fourth proportional to 16,769.43, 23,135.85 and 9,961.74 is: 13,743.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.43 : 23,135.85 = 9,961.74 : x
  2. Step 2: Convert to fraction form
    16,769.43/23,135.85 = 9,961.74/x
  3. Step 3: Cross multiply
    16,769.43x = 23,135.85 × 9,961.74
  4. Step 4: Simplify right side
    16,769.43x = 230,473,322.38
  5. Step 5: Solve for x
    x = 230,473,322.38/16,769.43
  6. Step 6: Final answer
    x = 13,743.66

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Double scale
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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.