Home / 19,953.14-27,531.50-11,995.43

Finding the Fourth Proportional to 19,953.14, 27,531.50 and 11,995.43

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Solution

The fourth proportional to 19,953.14, 27,531.50 and 11,995.43 is: 16,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.14 : 27,531.50 = 11,995.43 : x
  2. Step 2: Convert to fraction form
    19,953.14/27,531.50 = 11,995.43/x
  3. Step 3: Cross multiply
    19,953.14x = 27,531.50 × 11,995.43
  4. Step 4: Simplify right side
    19,953.14x = 330,251,983.41
  5. Step 5: Solve for x
    x = 330,251,983.41/19,953.14
  6. Step 6: Final answer
    x = 16,551.38

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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.