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Finding the Fourth Proportional to 19,909.01, 27,463.01 and 12,444.05

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Solution

The fourth proportional to 19,909.01, 27,463.01 and 12,444.05 is: 17,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.01 : 27,463.01 = 12,444.05 : x
  2. Step 2: Convert to fraction form
    19,909.01/27,463.01 = 12,444.05/x
  3. Step 3: Cross multiply
    19,909.01x = 27,463.01 × 12,444.05
  4. Step 4: Simplify right side
    19,909.01x = 341,751,007.37
  5. Step 5: Solve for x
    x = 341,751,007.37/19,909.01
  6. Step 6: Final answer
    x = 17,165.65

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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.