Home / 17,742.69-26,600.67-10,721.21

Finding the Fourth Proportional to 17,742.69, 26,600.67 and 10,721.21

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Solution

The fourth proportional to 17,742.69, 26,600.67 and 10,721.21 is: 16,073.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,742.69 : 26,600.67 = 10,721.21 : x
  2. Step 2: Convert to fraction form
    17,742.69/26,600.67 = 10,721.21/x
  3. Step 3: Cross multiply
    17,742.69x = 26,600.67 × 10,721.21
  4. Step 4: Simplify right side
    17,742.69x = 285,191,236.21
  5. Step 5: Solve for x
    x = 285,191,236.21/17,742.69
  6. Step 6: Final answer
    x = 16,073.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.