Home / 16,366.62-22,580.36-9,991.52

Finding the Fourth Proportional to 16,366.62, 22,580.36 and 9,991.52

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Solution

The fourth proportional to 16,366.62, 22,580.36 and 9,991.52 is: 13,784.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,366.62 : 22,580.36 = 9,991.52 : x
  2. Step 2: Convert to fraction form
    16,366.62/22,580.36 = 9,991.52/x
  3. Step 3: Cross multiply
    16,366.62x = 22,580.36 × 9,991.52
  4. Step 4: Simplify right side
    16,366.62x = 225,612,118.55
  5. Step 5: Solve for x
    x = 225,612,118.55/16,366.62
  6. Step 6: Final answer
    x = 13,784.89

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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.