Home / 16,911.12-23,335.35-9,356.46

Finding the Fourth Proportional to 16,911.12, 23,335.35 and 9,356.46

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Solution

The fourth proportional to 16,911.12, 23,335.35 and 9,356.46 is: 12,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.12 : 23,335.35 = 9,356.46 : x
  2. Step 2: Convert to fraction form
    16,911.12/23,335.35 = 9,356.46/x
  3. Step 3: Cross multiply
    16,911.12x = 23,335.35 × 9,356.46
  4. Step 4: Simplify right side
    16,911.12x = 218,336,105.40
  5. Step 5: Solve for x
    x = 218,336,105.40/16,911.12
  6. Step 6: Final answer
    x = 12,910.80

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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.