Home / 16,911.18-23,335.62-9,356.34

Finding the Fourth Proportional to 16,911.18, 23,335.62 and 9,356.34

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Solution

The fourth proportional to 16,911.18, 23,335.62 and 9,356.34 is: 12,910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.18 : 23,335.62 = 9,356.34 : x
  2. Step 2: Convert to fraction form
    16,911.18/23,335.62 = 9,356.34/x
  3. Step 3: Cross multiply
    16,911.18x = 23,335.62 × 9,356.34
  4. Step 4: Simplify right side
    16,911.18x = 218,335,994.83
  5. Step 5: Solve for x
    x = 218,335,994.83/16,911.18
  6. Step 6: Final answer
    x = 12,910.75

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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.