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Finding the Fourth Proportional to 19,998.76, 27,598.32 and 12,041.32

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Solution

The fourth proportional to 19,998.76, 27,598.32 and 12,041.32 is: 16,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.76 : 27,598.32 = 12,041.32 : x
  2. Step 2: Convert to fraction form
    19,998.76/27,598.32 = 12,041.32/x
  3. Step 3: Cross multiply
    19,998.76x = 27,598.32 × 12,041.32
  4. Step 4: Simplify right side
    19,998.76x = 332,320,202.58
  5. Step 5: Solve for x
    x = 332,320,202.58/19,998.76
  6. Step 6: Final answer
    x = 16,617.04

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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.