Home / 23,135.21-31,929.62-17,183.87

Finding the Fourth Proportional to 23,135.21, 31,929.62 and 17,183.87

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Solution

The fourth proportional to 23,135.21, 31,929.62 and 17,183.87 is: 23,715.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.21 : 31,929.62 = 17,183.87 : x
  2. Step 2: Convert to fraction form
    23,135.21/31,929.62 = 17,183.87/x
  3. Step 3: Cross multiply
    23,135.21x = 31,929.62 × 17,183.87
  4. Step 4: Simplify right side
    23,135.21x = 548,674,193.66
  5. Step 5: Solve for x
    x = 548,674,193.66/23,135.21
  6. Step 6: Final answer
    x = 23,715.99

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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.