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Finding the Fourth Proportional to 19,798.83, 27,326.16 and 12,252.47

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Solution

The fourth proportional to 19,798.83, 27,326.16 and 12,252.47 is: 16,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798.83 : 27,326.16 = 12,252.47 : x
  2. Step 2: Convert to fraction form
    19,798.83/27,326.16 = 12,252.47/x
  3. Step 3: Cross multiply
    19,798.83x = 27,326.16 × 12,252.47
  4. Step 4: Simplify right side
    19,798.83x = 334,812,818.98
  5. Step 5: Solve for x
    x = 334,812,818.98/19,798.83
  6. Step 6: Final answer
    x = 16,910.74

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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.