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Finding the Fourth Proportional to 14,085.97, 19,440.81 and 8,036.24

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Solution

The fourth proportional to 14,085.97, 19,440.81 and 8,036.24 is: 11,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.97 : 19,440.81 = 8,036.24 : x
  2. Step 2: Convert to fraction form
    14,085.97/19,440.81 = 8,036.24/x
  3. Step 3: Cross multiply
    14,085.97x = 19,440.81 × 8,036.24
  4. Step 4: Simplify right side
    14,085.97x = 156,230,917.75
  5. Step 5: Solve for x
    x = 156,230,917.75/14,085.97
  6. Step 6: Final answer
    x = 11,091.25

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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.