Home / 19,068.87-28,597.53-7,218.66

Finding the Fourth Proportional to 19,068.87, 28,597.53 and 7,218.66

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Solution

The fourth proportional to 19,068.87, 28,597.53 and 7,218.66 is: 10,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068.87 : 28,597.53 = 7,218.66 : x
  2. Step 2: Convert to fraction form
    19,068.87/28,597.53 = 7,218.66/x
  3. Step 3: Cross multiply
    19,068.87x = 28,597.53 × 7,218.66
  4. Step 4: Simplify right side
    19,068.87x = 206,435,845.91
  5. Step 5: Solve for x
    x = 206,435,845.91/19,068.87
  6. Step 6: Final answer
    x = 10,825.80

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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.