Home / 16,991.98-23,449.44-10,278.84

Finding the Fourth Proportional to 16,991.98, 23,449.44 and 10,278.84

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Solution

The fourth proportional to 16,991.98, 23,449.44 and 10,278.84 is: 14,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.98 : 23,449.44 = 10,278.84 : x
  2. Step 2: Convert to fraction form
    16,991.98/23,449.44 = 10,278.84/x
  3. Step 3: Cross multiply
    16,991.98x = 23,449.44 × 10,278.84
  4. Step 4: Simplify right side
    16,991.98x = 241,033,041.85
  5. Step 5: Solve for x
    x = 241,033,041.85/16,991.98
  6. Step 6: Final answer
    x = 14,185.11

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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.