Home / 19,651.92-27,120.30-10,699.80

Finding the Fourth Proportional to 19,651.92, 27,120.30 and 10,699.80

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Solution

The fourth proportional to 19,651.92, 27,120.30 and 10,699.80 is: 14,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.92 : 27,120.30 = 10,699.80 : x
  2. Step 2: Convert to fraction form
    19,651.92/27,120.30 = 10,699.80/x
  3. Step 3: Cross multiply
    19,651.92x = 27,120.30 × 10,699.80
  4. Step 4: Simplify right side
    19,651.92x = 290,181,785.94
  5. Step 5: Solve for x
    x = 290,181,785.94/19,651.92
  6. Step 6: Final answer
    x = 14,766.08

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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.