Home / 19,914.32-27,484.44-11,531.36

Finding the Fourth Proportional to 19,914.32, 27,484.44 and 11,531.36

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Solution

The fourth proportional to 19,914.32, 27,484.44 and 11,531.36 is: 15,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.32 : 27,484.44 = 11,531.36 : x
  2. Step 2: Convert to fraction form
    19,914.32/27,484.44 = 11,531.36/x
  3. Step 3: Cross multiply
    19,914.32x = 27,484.44 × 11,531.36
  4. Step 4: Simplify right side
    19,914.32x = 316,932,972.04
  5. Step 5: Solve for x
    x = 316,932,972.04/19,914.32
  6. Step 6: Final answer
    x = 15,914.83

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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.