Home / 19,709.46-27,198.21-10,756.74

Finding the Fourth Proportional to 19,709.46, 27,198.21 and 10,756.74

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Solution

The fourth proportional to 19,709.46, 27,198.21 and 10,756.74 is: 14,843.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.46 : 27,198.21 = 10,756.74 : x
  2. Step 2: Convert to fraction form
    19,709.46/27,198.21 = 10,756.74/x
  3. Step 3: Cross multiply
    19,709.46x = 27,198.21 × 10,756.74
  4. Step 4: Simplify right side
    19,709.46x = 292,564,073.44
  5. Step 5: Solve for x
    x = 292,564,073.44/19,709.46
  6. Step 6: Final answer
    x = 14,843.84

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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.