Home / 19,759.72-27,267.62-11,377.64

Finding the Fourth Proportional to 19,759.72, 27,267.62 and 11,377.64

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Solution

The fourth proportional to 19,759.72, 27,267.62 and 11,377.64 is: 15,700.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.72 : 27,267.62 = 11,377.64 : x
  2. Step 2: Convert to fraction form
    19,759.72/27,267.62 = 11,377.64/x
  3. Step 3: Cross multiply
    19,759.72x = 27,267.62 × 11,377.64
  4. Step 4: Simplify right side
    19,759.72x = 310,241,164.02
  5. Step 5: Solve for x
    x = 310,241,164.02/19,759.72
  6. Step 6: Final answer
    x = 15,700.69

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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.