Home / 19,790.75-27,310.20-10,838.22

Finding the Fourth Proportional to 19,790.75, 27,310.20 and 10,838.22

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Solution

The fourth proportional to 19,790.75, 27,310.20 and 10,838.22 is: 14,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.75 : 27,310.20 = 10,838.22 : x
  2. Step 2: Convert to fraction form
    19,790.75/27,310.20 = 10,838.22/x
  3. Step 3: Cross multiply
    19,790.75x = 27,310.20 × 10,838.22
  4. Step 4: Simplify right side
    19,790.75x = 295,993,955.84
  5. Step 5: Solve for x
    x = 295,993,955.84/19,790.75
  6. Step 6: Final answer
    x = 14,956.18

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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.