Home / 19,709.34-27,198.18-10,756.68

Finding the Fourth Proportional to 19,709.34, 27,198.18 and 10,756.68

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Solution

The fourth proportional to 19,709.34, 27,198.18 and 10,756.68 is: 14,843.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.34 : 27,198.18 = 10,756.68 : x
  2. Step 2: Convert to fraction form
    19,709.34/27,198.18 = 10,756.68/x
  3. Step 3: Cross multiply
    19,709.34x = 27,198.18 × 10,756.68
  4. Step 4: Simplify right side
    19,709.34x = 292,562,118.84
  5. Step 5: Solve for x
    x = 292,562,118.84/19,709.34
  6. Step 6: Final answer
    x = 14,843.83

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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.