Home / 22,717.54-31,350.81-12,646.99

Finding the Fourth Proportional to 22,717.54, 31,350.81 and 12,646.99

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Solution

The fourth proportional to 22,717.54, 31,350.81 and 12,646.99 is: 17,453.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,717.54 : 31,350.81 = 12,646.99 : x
  2. Step 2: Convert to fraction form
    22,717.54/31,350.81 = 12,646.99/x
  3. Step 3: Cross multiply
    22,717.54x = 31,350.81 × 12,646.99
  4. Step 4: Simplify right side
    22,717.54x = 396,493,380.56
  5. Step 5: Solve for x
    x = 396,493,380.56/22,717.54
  6. Step 6: Final answer
    x = 17,453.18

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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.