Home / 19,708.65-27,197.78-10,756.17

Finding the Fourth Proportional to 19,708.65, 27,197.78 and 10,756.17

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Solution

The fourth proportional to 19,708.65, 27,197.78 and 10,756.17 is: 14,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.65 : 27,197.78 = 10,756.17 : x
  2. Step 2: Convert to fraction form
    19,708.65/27,197.78 = 10,756.17/x
  3. Step 3: Cross multiply
    19,708.65x = 27,197.78 × 10,756.17
  4. Step 4: Simplify right side
    19,708.65x = 292,543,891.52
  5. Step 5: Solve for x
    x = 292,543,891.52/19,708.65
  6. Step 6: Final answer
    x = 14,843.43

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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.