Home / 16,911.10-23,335.21-9,356.39

Finding the Fourth Proportional to 16,911.10, 23,335.21 and 9,356.39

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Solution

The fourth proportional to 16,911.10, 23,335.21 and 9,356.39 is: 12,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.10 : 23,335.21 = 9,356.39 : x
  2. Step 2: Convert to fraction form
    16,911.10/23,335.21 = 9,356.39/x
  3. Step 3: Cross multiply
    16,911.10x = 23,335.21 × 9,356.39
  4. Step 4: Simplify right side
    16,911.10x = 218,333,268.70
  5. Step 5: Solve for x
    x = 218,333,268.70/16,911.10
  6. Step 6: Final answer
    x = 12,910.65

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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.