Home / 14,133.74-21,185.84-4,770.53

Finding the Fourth Proportional to 14,133.74, 21,185.84 and 4,770.53

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Solution

The fourth proportional to 14,133.74, 21,185.84 and 4,770.53 is: 7,150.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.74 : 21,185.84 = 4,770.53 : x
  2. Step 2: Convert to fraction form
    14,133.74/21,185.84 = 4,770.53/x
  3. Step 3: Cross multiply
    14,133.74x = 21,185.84 × 4,770.53
  4. Step 4: Simplify right side
    14,133.74x = 101,067,591.29
  5. Step 5: Solve for x
    x = 101,067,591.29/14,133.74
  6. Step 6: Final answer
    x = 7,150.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.