Home / 18,469.56-27,693.27-7,783.23

Finding the Fourth Proportional to 18,469.56, 27,693.27 and 7,783.23

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Solution

The fourth proportional to 18,469.56, 27,693.27 and 7,783.23 is: 11,670.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469.56 : 27,693.27 = 7,783.23 : x
  2. Step 2: Convert to fraction form
    18,469.56/27,693.27 = 7,783.23/x
  3. Step 3: Cross multiply
    18,469.56x = 27,693.27 × 7,783.23
  4. Step 4: Simplify right side
    18,469.56x = 215,543,089.86
  5. Step 5: Solve for x
    x = 215,543,089.86/18,469.56
  6. Step 6: Final answer
    x = 11,670.18

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1.5x scale

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.