Home / 19,722.72-27,217.26-10,770.06

Finding the Fourth Proportional to 19,722.72, 27,217.26 and 10,770.06

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Solution

The fourth proportional to 19,722.72, 27,217.26 and 10,770.06 is: 14,862.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.72 : 27,217.26 = 10,770.06 : x
  2. Step 2: Convert to fraction form
    19,722.72/27,217.26 = 10,770.06/x
  3. Step 3: Cross multiply
    19,722.72x = 27,217.26 × 10,770.06
  4. Step 4: Simplify right side
    19,722.72x = 293,131,523.24
  5. Step 5: Solve for x
    x = 293,131,523.24/19,722.72
  6. Step 6: Final answer
    x = 14,862.63

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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.