Home / 17,715.40-26,575.97-5,236.68

Finding the Fourth Proportional to 17,715.40, 26,575.97 and 5,236.68

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Solution

The fourth proportional to 17,715.40, 26,575.97 and 5,236.68 is: 7,855.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,715.40 : 26,575.97 = 5,236.68 : x
  2. Step 2: Convert to fraction form
    17,715.40/26,575.97 = 5,236.68/x
  3. Step 3: Cross multiply
    17,715.40x = 26,575.97 × 5,236.68
  4. Step 4: Simplify right side
    17,715.40x = 139,169,850.58
  5. Step 5: Solve for x
    x = 139,169,850.58/17,715.40
  6. Step 6: Final answer
    x = 7,855.87

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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.