Home / 14,791.04-20,411.53-8,076.65

Finding the Fourth Proportional to 14,791.04, 20,411.53 and 8,076.65

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Solution

The fourth proportional to 14,791.04, 20,411.53 and 8,076.65 is: 11,145.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,791.04 : 20,411.53 = 8,076.65 : x
  2. Step 2: Convert to fraction form
    14,791.04/20,411.53 = 8,076.65/x
  3. Step 3: Cross multiply
    14,791.04x = 20,411.53 × 8,076.65
  4. Step 4: Simplify right side
    14,791.04x = 164,856,661.53
  5. Step 5: Solve for x
    x = 164,856,661.53/14,791.04
  6. Step 6: Final answer
    x = 11,145.71

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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.