Home / 19,767.44-27,278.27-11,814.05

Finding the Fourth Proportional to 19,767.44, 27,278.27 and 11,814.05

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Solution

The fourth proportional to 19,767.44, 27,278.27 and 11,814.05 is: 16,302.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.44 : 27,278.27 = 11,814.05 : x
  2. Step 2: Convert to fraction form
    19,767.44/27,278.27 = 11,814.05/x
  3. Step 3: Cross multiply
    19,767.44x = 27,278.27 × 11,814.05
  4. Step 4: Simplify right side
    19,767.44x = 322,266,899.12
  5. Step 5: Solve for x
    x = 322,266,899.12/19,767.44
  6. Step 6: Final answer
    x = 16,302.91

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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.