Home / 19,651.91-27,118.78-10,699.44

Finding the Fourth Proportional to 19,651.91, 27,118.78 and 10,699.44

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Solution

The fourth proportional to 19,651.91, 27,118.78 and 10,699.44 is: 14,764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.91 : 27,118.78 = 10,699.44 : x
  2. Step 2: Convert to fraction form
    19,651.91/27,118.78 = 10,699.44/x
  3. Step 3: Cross multiply
    19,651.91x = 27,118.78 × 10,699.44
  4. Step 4: Simplify right side
    19,651.91x = 290,155,806.76
  5. Step 5: Solve for x
    x = 290,155,806.76/19,651.91
  6. Step 6: Final answer
    x = 14,764.77

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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.