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Finding the Fourth Proportional to 14,203.92, 19,601.01 and 8,901.66

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Solution

The fourth proportional to 14,203.92, 19,601.01 and 8,901.66 is: 12,284.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.92 : 19,601.01 = 8,901.66 : x
  2. Step 2: Convert to fraction form
    14,203.92/19,601.01 = 8,901.66/x
  3. Step 3: Cross multiply
    14,203.92x = 19,601.01 × 8,901.66
  4. Step 4: Simplify right side
    14,203.92x = 174,481,526.68
  5. Step 5: Solve for x
    x = 174,481,526.68/14,203.92
  6. Step 6: Final answer
    x = 12,284.04

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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.