Home / 19,859.04-27,405.30-10,906.36

Finding the Fourth Proportional to 19,859.04, 27,405.30 and 10,906.36

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Solution

The fourth proportional to 19,859.04, 27,405.30 and 10,906.36 is: 15,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.04 : 27,405.30 = 10,906.36 : x
  2. Step 2: Convert to fraction form
    19,859.04/27,405.30 = 10,906.36/x
  3. Step 3: Cross multiply
    19,859.04x = 27,405.30 × 10,906.36
  4. Step 4: Simplify right side
    19,859.04x = 298,892,067.71
  5. Step 5: Solve for x
    x = 298,892,067.71/19,859.04
  6. Step 6: Final answer
    x = 15,050.68

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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.