Home / 12,725.46-19,084.53-5,329.74

Finding the Fourth Proportional to 12,725.46, 19,084.53 and 5,329.74

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Solution

The fourth proportional to 12,725.46, 19,084.53 and 5,329.74 is: 7,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.46 : 19,084.53 = 5,329.74 : x
  2. Step 2: Convert to fraction form
    12,725.46/19,084.53 = 5,329.74/x
  3. Step 3: Cross multiply
    12,725.46x = 19,084.53 × 5,329.74
  4. Step 4: Simplify right side
    12,725.46x = 101,715,582.92
  5. Step 5: Solve for x
    x = 101,715,582.92/12,725.46
  6. Step 6: Final answer
    x = 7,993.08

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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.