Home / 17,742.83-26,614.23-7,218.57

Finding the Fourth Proportional to 17,742.83, 26,614.23 and 7,218.57

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Solution

The fourth proportional to 17,742.83, 26,614.23 and 7,218.57 is: 10,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,742.83 : 26,614.23 = 7,218.57 : x
  2. Step 2: Convert to fraction form
    17,742.83/26,614.23 = 7,218.57/x
  3. Step 3: Cross multiply
    17,742.83x = 26,614.23 × 7,218.57
  4. Step 4: Simplify right side
    17,742.83x = 192,116,682.25
  5. Step 5: Solve for x
    x = 192,116,682.25/17,742.83
  6. Step 6: Final answer
    x = 10,827.85

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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.