Home / 14,262.47-19,683.12-7,974.84

Finding the Fourth Proportional to 14,262.47, 19,683.12 and 7,974.84

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Solution

The fourth proportional to 14,262.47, 19,683.12 and 7,974.84 is: 11,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,262.47 : 19,683.12 = 7,974.84 : x
  2. Step 2: Convert to fraction form
    14,262.47/19,683.12 = 7,974.84/x
  3. Step 3: Cross multiply
    14,262.47x = 19,683.12 × 7,974.84
  4. Step 4: Simplify right side
    14,262.47x = 156,969,791.56
  5. Step 5: Solve for x
    x = 156,969,791.56/14,262.47
  6. Step 6: Final answer
    x = 11,005.79

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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.