Home / 16,579.44-22,881.28-12,380.40

Finding the Fourth Proportional to 16,579.44, 22,881.28 and 12,380.40

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Solution

The fourth proportional to 16,579.44, 22,881.28 and 12,380.40 is: 17,086.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,579.44 : 22,881.28 = 12,380.40 : x
  2. Step 2: Convert to fraction form
    16,579.44/22,881.28 = 12,380.40/x
  3. Step 3: Cross multiply
    16,579.44x = 22,881.28 × 12,380.40
  4. Step 4: Simplify right side
    16,579.44x = 283,279,398.91
  5. Step 5: Solve for x
    x = 283,279,398.91/16,579.44
  6. Step 6: Final answer
    x = 17,086.19

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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.