Home / 17,727.21-26,581.40-5,245.52

Finding the Fourth Proportional to 17,727.21, 26,581.40 and 5,245.52

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Solution

The fourth proportional to 17,727.21, 26,581.40 and 5,245.52 is: 7,865.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,727.21 : 26,581.40 = 5,245.52 : x
  2. Step 2: Convert to fraction form
    17,727.21/26,581.40 = 5,245.52/x
  3. Step 3: Cross multiply
    17,727.21x = 26,581.40 × 5,245.52
  4. Step 4: Simplify right side
    17,727.21x = 139,433,106.19
  5. Step 5: Solve for x
    x = 139,433,106.19/17,727.21
  6. Step 6: Final answer
    x = 7,865.49

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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.