Home / 19,727.09-27,223.97-10,775.07

Finding the Fourth Proportional to 19,727.09, 27,223.97 and 10,775.07

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Solution

The fourth proportional to 19,727.09, 27,223.97 and 10,775.07 is: 14,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.09 : 27,223.97 = 10,775.07 : x
  2. Step 2: Convert to fraction form
    19,727.09/27,223.97 = 10,775.07/x
  3. Step 3: Cross multiply
    19,727.09x = 27,223.97 × 10,775.07
  4. Step 4: Simplify right side
    19,727.09x = 293,340,209.37
  5. Step 5: Solve for x
    x = 293,340,209.37/19,727.09
  6. Step 6: Final answer
    x = 14,869.92

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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.