Home / 22,735.62-31,376.52-12,664.80

Finding the Fourth Proportional to 22,735.62, 31,376.52 and 12,664.80

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Solution

The fourth proportional to 22,735.62, 31,376.52 and 12,664.80 is: 17,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,735.62 : 31,376.52 = 12,664.80 : x
  2. Step 2: Convert to fraction form
    22,735.62/31,376.52 = 12,664.80/x
  3. Step 3: Cross multiply
    22,735.62x = 31,376.52 × 12,664.80
  4. Step 4: Simplify right side
    22,735.62x = 397,377,350.50
  5. Step 5: Solve for x
    x = 397,377,350.50/22,735.62
  6. Step 6: Final answer
    x = 17,478.18

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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.