Home / 22,182.48-30,611.42-12,622.16

Finding the Fourth Proportional to 22,182.48, 30,611.42 and 12,622.16

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Solution

The fourth proportional to 22,182.48, 30,611.42 and 12,622.16 is: 17,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.48 : 30,611.42 = 12,622.16 : x
  2. Step 2: Convert to fraction form
    22,182.48/30,611.42 = 12,622.16/x
  3. Step 3: Cross multiply
    22,182.48x = 30,611.42 × 12,622.16
  4. Step 4: Simplify right side
    22,182.48x = 386,382,241.07
  5. Step 5: Solve for x
    x = 386,382,241.07/22,182.48
  6. Step 6: Final answer
    x = 17,418.35

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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.