Home / 19,674.12-27,150.42-10,721.85

Finding the Fourth Proportional to 19,674.12, 27,150.42 and 10,721.85

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Solution

The fourth proportional to 19,674.12, 27,150.42 and 10,721.85 is: 14,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,674.12 : 27,150.42 = 10,721.85 : x
  2. Step 2: Convert to fraction form
    19,674.12/27,150.42 = 10,721.85/x
  3. Step 3: Cross multiply
    19,674.12x = 27,150.42 × 10,721.85
  4. Step 4: Simplify right side
    19,674.12x = 291,102,730.68
  5. Step 5: Solve for x
    x = 291,102,730.68/19,674.12
  6. Step 6: Final answer
    x = 14,796.23

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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.