Home / 12,907.62-19,364.40-4,022.53

Finding the Fourth Proportional to 12,907.62, 19,364.40 and 4,022.53

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Solution

The fourth proportional to 12,907.62, 19,364.40 and 4,022.53 is: 6,034.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907.62 : 19,364.40 = 4,022.53 : x
  2. Step 2: Convert to fraction form
    12,907.62/19,364.40 = 4,022.53/x
  3. Step 3: Cross multiply
    12,907.62x = 19,364.40 × 4,022.53
  4. Step 4: Simplify right side
    12,907.62x = 77,893,831.52
  5. Step 5: Solve for x
    x = 77,893,831.52/12,907.62
  6. Step 6: Final answer
    x = 6,034.72

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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.