Home / 19,864.98-27,412.56-11,903.22

Finding the Fourth Proportional to 19,864.98, 27,412.56 and 11,903.22

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Solution

The fourth proportional to 19,864.98, 27,412.56 and 11,903.22 is: 16,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.98 : 27,412.56 = 11,903.22 : x
  2. Step 2: Convert to fraction form
    19,864.98/27,412.56 = 11,903.22/x
  3. Step 3: Cross multiply
    19,864.98x = 27,412.56 × 11,903.22
  4. Step 4: Simplify right side
    19,864.98x = 326,297,732.44
  5. Step 5: Solve for x
    x = 326,297,732.44/19,864.98
  6. Step 6: Final answer
    x = 16,425.78

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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.