Home / 16,489.36-22,755.90-11,784.88

Finding the Fourth Proportional to 16,489.36, 22,755.90 and 11,784.88

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Solution

The fourth proportional to 16,489.36, 22,755.90 and 11,784.88 is: 16,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.36 : 22,755.90 = 11,784.88 : x
  2. Step 2: Convert to fraction form
    16,489.36/22,755.90 = 11,784.88/x
  3. Step 3: Cross multiply
    16,489.36x = 22,755.90 × 11,784.88
  4. Step 4: Simplify right side
    16,489.36x = 268,175,550.79
  5. Step 5: Solve for x
    x = 268,175,550.79/16,489.36
  6. Step 6: Final answer
    x = 16,263.55

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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.