Home / 16,868.58-23,278.62-9,416.58

Finding the Fourth Proportional to 16,868.58, 23,278.62 and 9,416.58

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Solution

The fourth proportional to 16,868.58, 23,278.62 and 9,416.58 is: 12,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.58 : 23,278.62 = 9,416.58 : x
  2. Step 2: Convert to fraction form
    16,868.58/23,278.62 = 9,416.58/x
  3. Step 3: Cross multiply
    16,868.58x = 23,278.62 × 9,416.58
  4. Step 4: Simplify right side
    16,868.58x = 219,204,987.52
  5. Step 5: Solve for x
    x = 219,204,987.52/16,868.58
  6. Step 6: Final answer
    x = 12,994.87

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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.