Home / 19,767.58-27,274.80-11,808.25

Finding the Fourth Proportional to 19,767.58, 27,274.80 and 11,808.25

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Solution

The fourth proportional to 19,767.58, 27,274.80 and 11,808.25 is: 16,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.58 : 27,274.80 = 11,808.25 : x
  2. Step 2: Convert to fraction form
    19,767.58/27,274.80 = 11,808.25/x
  3. Step 3: Cross multiply
    19,767.58x = 27,274.80 × 11,808.25
  4. Step 4: Simplify right side
    19,767.58x = 322,067,657.10
  5. Step 5: Solve for x
    x = 322,067,657.10/19,767.58
  6. Step 6: Final answer
    x = 16,292.72

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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.