Home / 22,053.42-30,433.68-12,621.96

Finding the Fourth Proportional to 22,053.42, 30,433.68 and 12,621.96

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Solution

The fourth proportional to 22,053.42, 30,433.68 and 12,621.96 is: 17,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,053.42 : 30,433.68 = 12,621.96 : x
  2. Step 2: Convert to fraction form
    22,053.42/30,433.68 = 12,621.96/x
  3. Step 3: Cross multiply
    22,053.42x = 30,433.68 × 12,621.96
  4. Step 4: Simplify right side
    22,053.42x = 384,132,691.61
  5. Step 5: Solve for x
    x = 384,132,691.61/22,053.42
  6. Step 6: Final answer
    x = 17,418.28

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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.