Home / 19,859.58-27,406.76-10,908.07

Finding the Fourth Proportional to 19,859.58, 27,406.76 and 10,908.07

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Solution

The fourth proportional to 19,859.58, 27,406.76 and 10,908.07 is: 15,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.58 : 27,406.76 = 10,908.07 : x
  2. Step 2: Convert to fraction form
    19,859.58/27,406.76 = 10,908.07/x
  3. Step 3: Cross multiply
    19,859.58x = 27,406.76 × 10,908.07
  4. Step 4: Simplify right side
    19,859.58x = 298,954,733.50
  5. Step 5: Solve for x
    x = 298,954,733.50/19,859.58
  6. Step 6: Final answer
    x = 15,053.43

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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.