Home / 19,790.56-27,310.94-10,838.07

Finding the Fourth Proportional to 19,790.56, 27,310.94 and 10,838.07

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Solution

The fourth proportional to 19,790.56, 27,310.94 and 10,838.07 is: 14,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.56 : 27,310.94 = 10,838.07 : x
  2. Step 2: Convert to fraction form
    19,790.56/27,310.94 = 10,838.07/x
  3. Step 3: Cross multiply
    19,790.56x = 27,310.94 × 10,838.07
  4. Step 4: Simplify right side
    19,790.56x = 295,997,865.94
  5. Step 5: Solve for x
    x = 295,997,865.94/19,790.56
  6. Step 6: Final answer
    x = 14,956.52

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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.