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Finding the Fourth Proportional to 14,299.80, 19,733.05 and 7,925.97

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Solution

The fourth proportional to 14,299.80, 19,733.05 and 7,925.97 is: 10,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.80 : 19,733.05 = 7,925.97 : x
  2. Step 2: Convert to fraction form
    14,299.80/19,733.05 = 7,925.97/x
  3. Step 3: Cross multiply
    14,299.80x = 19,733.05 × 7,925.97
  4. Step 4: Simplify right side
    14,299.80x = 156,403,562.31
  5. Step 5: Solve for x
    x = 156,403,562.31/14,299.80
  6. Step 6: Final answer
    x = 10,937.47

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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.