Home / 22,539.42-31,104.26-12,467.68

Finding the Fourth Proportional to 22,539.42, 31,104.26 and 12,467.68

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Solution

The fourth proportional to 22,539.42, 31,104.26 and 12,467.68 is: 17,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,539.42 : 31,104.26 = 12,467.68 : x
  2. Step 2: Convert to fraction form
    22,539.42/31,104.26 = 12,467.68/x
  3. Step 3: Cross multiply
    22,539.42x = 31,104.26 × 12,467.68
  4. Step 4: Simplify right side
    22,539.42x = 387,797,960.32
  5. Step 5: Solve for x
    x = 387,797,960.32/22,539.42
  6. Step 6: Final answer
    x = 17,205.32

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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.