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Finding the Fourth Proportional to 19,801.26, 27,325.35 and 12,248.82

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Solution

The fourth proportional to 19,801.26, 27,325.35 and 12,248.82 is: 16,903.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.26 : 27,325.35 = 12,248.82 : x
  2. Step 2: Convert to fraction form
    19,801.26/27,325.35 = 12,248.82/x
  3. Step 3: Cross multiply
    19,801.26x = 27,325.35 × 12,248.82
  4. Step 4: Simplify right side
    19,801.26x = 334,703,293.59
  5. Step 5: Solve for x
    x = 334,703,293.59/19,801.26
  6. Step 6: Final answer
    x = 16,903.13

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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.