Home / 19,767.08-27,274.11-11,807.75

Finding the Fourth Proportional to 19,767.08, 27,274.11 and 11,807.75

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Solution

The fourth proportional to 19,767.08, 27,274.11 and 11,807.75 is: 16,292.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.08 : 27,274.11 = 11,807.75 : x
  2. Step 2: Convert to fraction form
    19,767.08/27,274.11 = 11,807.75/x
  3. Step 3: Cross multiply
    19,767.08x = 27,274.11 × 11,807.75
  4. Step 4: Simplify right side
    19,767.08x = 322,045,872.35
  5. Step 5: Solve for x
    x = 322,045,872.35/19,767.08
  6. Step 6: Final answer
    x = 16,292.03

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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.