Home / 22,704.62-31,315.61-15,633.32

Finding the Fourth Proportional to 22,704.62, 31,315.61 and 15,633.32

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Solution

The fourth proportional to 22,704.62, 31,315.61 and 15,633.32 is: 21,562.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.62 : 31,315.61 = 15,633.32 : x
  2. Step 2: Convert to fraction form
    22,704.62/31,315.61 = 15,633.32/x
  3. Step 3: Cross multiply
    22,704.62x = 31,315.61 × 15,633.32
  4. Step 4: Simplify right side
    22,704.62x = 489,566,834.63
  5. Step 5: Solve for x
    x = 489,566,834.63/22,704.62
  6. Step 6: Final answer
    x = 21,562.44

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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.