Home / 20,623.06-28,469.73-14,667.22

Finding the Fourth Proportional to 20,623.06, 28,469.73 and 14,667.22

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Solution

The fourth proportional to 20,623.06, 28,469.73 and 14,667.22 is: 20,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,623.06 : 28,469.73 = 14,667.22 : x
  2. Step 2: Convert to fraction form
    20,623.06/28,469.73 = 14,667.22/x
  3. Step 3: Cross multiply
    20,623.06x = 28,469.73 × 14,667.22
  4. Step 4: Simplify right side
    20,623.06x = 417,571,793.25
  5. Step 5: Solve for x
    x = 417,571,793.25/20,623.06
  6. Step 6: Final answer
    x = 20,247.81

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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.