Home / 19,983.08-27,577.55-11,487.96

Finding the Fourth Proportional to 19,983.08, 27,577.55 and 11,487.96

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Solution

The fourth proportional to 19,983.08, 27,577.55 and 11,487.96 is: 15,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.08 : 27,577.55 = 11,487.96 : x
  2. Step 2: Convert to fraction form
    19,983.08/27,577.55 = 11,487.96/x
  3. Step 3: Cross multiply
    19,983.08x = 27,577.55 × 11,487.96
  4. Step 4: Simplify right side
    19,983.08x = 316,809,791.30
  5. Step 5: Solve for x
    x = 316,809,791.30/19,983.08
  6. Step 6: Final answer
    x = 15,853.90

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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.