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Finding the Fourth Proportional to 19,999.68, 27,592.56 and 12,035.76

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Solution

The fourth proportional to 19,999.68, 27,592.56 and 12,035.76 is: 16,605.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,999.68 : 27,592.56 = 12,035.76 : x
  2. Step 2: Convert to fraction form
    19,999.68/27,592.56 = 12,035.76/x
  3. Step 3: Cross multiply
    19,999.68x = 27,592.56 × 12,035.76
  4. Step 4: Simplify right side
    19,999.68x = 332,097,429.95
  5. Step 5: Solve for x
    x = 332,097,429.95/19,999.68
  6. Step 6: Final answer
    x = 16,605.14

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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.