Home / 14,333.73-19,781.60-8,668.69

Finding the Fourth Proportional to 14,333.73, 19,781.60 and 8,668.69

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Solution

The fourth proportional to 14,333.73, 19,781.60 and 8,668.69 is: 11,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,333.73 : 19,781.60 = 8,668.69 : x
  2. Step 2: Convert to fraction form
    14,333.73/19,781.60 = 8,668.69/x
  3. Step 3: Cross multiply
    14,333.73x = 19,781.60 × 8,668.69
  4. Step 4: Simplify right side
    14,333.73x = 171,480,558.10
  5. Step 5: Solve for x
    x = 171,480,558.10/14,333.73
  6. Step 6: Final answer
    x = 11,963.43

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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.