Home / 16,909.25-23,334.63-9,355.59

Finding the Fourth Proportional to 16,909.25, 23,334.63 and 9,355.59

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Solution

The fourth proportional to 16,909.25, 23,334.63 and 9,355.59 is: 12,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.25 : 23,334.63 = 9,355.59 : x
  2. Step 2: Convert to fraction form
    16,909.25/23,334.63 = 9,355.59/x
  3. Step 3: Cross multiply
    16,909.25x = 23,334.63 × 9,355.59
  4. Step 4: Simplify right side
    16,909.25x = 218,309,231.08
  5. Step 5: Solve for x
    x = 218,309,231.08/16,909.25
  6. Step 6: Final answer
    x = 12,910.64

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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.