Home / 14,984.38-20,678.27-8,270.04

Finding the Fourth Proportional to 14,984.38, 20,678.27 and 8,270.04

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Solution

The fourth proportional to 14,984.38, 20,678.27 and 8,270.04 is: 11,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984.38 : 20,678.27 = 8,270.04 : x
  2. Step 2: Convert to fraction form
    14,984.38/20,678.27 = 8,270.04/x
  3. Step 3: Cross multiply
    14,984.38x = 20,678.27 × 8,270.04
  4. Step 4: Simplify right side
    14,984.38x = 171,010,120.03
  5. Step 5: Solve for x
    x = 171,010,120.03/14,984.38
  6. Step 6: Final answer
    x = 11,412.56

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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.