Home / 19,727.70-27,224.37-10,775.04

Finding the Fourth Proportional to 19,727.70, 27,224.37 and 10,775.04

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Solution

The fourth proportional to 19,727.70, 27,224.37 and 10,775.04 is: 14,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.70 : 27,224.37 = 10,775.04 : x
  2. Step 2: Convert to fraction form
    19,727.70/27,224.37 = 10,775.04/x
  3. Step 3: Cross multiply
    19,727.70x = 27,224.37 × 10,775.04
  4. Step 4: Simplify right side
    19,727.70x = 293,343,675.72
  5. Step 5: Solve for x
    x = 293,343,675.72/19,727.70
  6. Step 6: Final answer
    x = 14,869.63

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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.