Home / 16,909.64-23,334.78-9,355.52

Finding the Fourth Proportional to 16,909.64, 23,334.78 and 9,355.52

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Solution

The fourth proportional to 16,909.64, 23,334.78 and 9,355.52 is: 12,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.64 : 23,334.78 = 9,355.52 : x
  2. Step 2: Convert to fraction form
    16,909.64/23,334.78 = 9,355.52/x
  3. Step 3: Cross multiply
    16,909.64x = 23,334.78 × 9,355.52
  4. Step 4: Simplify right side
    16,909.64x = 218,309,000.99
  5. Step 5: Solve for x
    x = 218,309,000.99/16,909.64
  6. Step 6: Final answer
    x = 12,910.33

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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.