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Finding the Fourth Proportional to 14,205.66, 19,602.63 and 8,238.12

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Solution

The fourth proportional to 14,205.66, 19,602.63 and 8,238.12 is: 11,367.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.66 : 19,602.63 = 8,238.12 : x
  2. Step 2: Convert to fraction form
    14,205.66/19,602.63 = 8,238.12/x
  3. Step 3: Cross multiply
    14,205.66x = 19,602.63 × 8,238.12
  4. Step 4: Simplify right side
    14,205.66x = 161,488,818.26
  5. Step 5: Solve for x
    x = 161,488,818.26/14,205.66
  6. Step 6: Final answer
    x = 11,367.92

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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.