Home / 19,738.47-27,239.13-10,786.17

Finding the Fourth Proportional to 19,738.47, 27,239.13 and 10,786.17

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Solution

The fourth proportional to 19,738.47, 27,239.13 and 10,786.17 is: 14,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.47 : 27,239.13 = 10,786.17 : x
  2. Step 2: Convert to fraction form
    19,738.47/27,239.13 = 10,786.17/x
  3. Step 3: Cross multiply
    19,738.47x = 27,239.13 × 10,786.17
  4. Step 4: Simplify right side
    19,738.47x = 293,805,886.83
  5. Step 5: Solve for x
    x = 293,805,886.83/19,738.47
  6. Step 6: Final answer
    x = 14,884.94

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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.