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Finding the Fourth Proportional to 19,592.25, 27,043.98 and 12,038.88

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Solution

The fourth proportional to 19,592.25, 27,043.98 and 12,038.88 is: 16,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,592.25 : 27,043.98 = 12,038.88 : x
  2. Step 2: Convert to fraction form
    19,592.25/27,043.98 = 12,038.88/x
  3. Step 3: Cross multiply
    19,592.25x = 27,043.98 × 12,038.88
  4. Step 4: Simplify right side
    19,592.25x = 325,579,229.94
  5. Step 5: Solve for x
    x = 325,579,229.94/19,592.25
  6. Step 6: Final answer
    x = 16,617.76

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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.