Home / 19,816.12-27,346.28-10,863.44

Finding the Fourth Proportional to 19,816.12, 27,346.28 and 10,863.44

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Solution

The fourth proportional to 19,816.12, 27,346.28 and 10,863.44 is: 14,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.12 : 27,346.28 = 10,863.44 : x
  2. Step 2: Convert to fraction form
    19,816.12/27,346.28 = 10,863.44/x
  3. Step 3: Cross multiply
    19,816.12x = 27,346.28 × 10,863.44
  4. Step 4: Simplify right side
    19,816.12x = 297,074,672.00
  5. Step 5: Solve for x
    x = 297,074,672.00/19,816.12
  6. Step 6: Final answer
    x = 14,991.57

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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.