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Finding the Fourth Proportional to 14,204.76, 19,600.54 and 7,917.13

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Solution

The fourth proportional to 14,204.76, 19,600.54 and 7,917.13 is: 10,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,204.76 : 19,600.54 = 7,917.13 : x
  2. Step 2: Convert to fraction form
    14,204.76/19,600.54 = 7,917.13/x
  3. Step 3: Cross multiply
    14,204.76x = 19,600.54 × 7,917.13
  4. Step 4: Simplify right side
    14,204.76x = 155,180,023.25
  5. Step 5: Solve for x
    x = 155,180,023.25/14,204.76
  6. Step 6: Final answer
    x = 10,924.51

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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.