Home / 44,383.50-66,586.79-13,218.75

Finding the Fourth Proportional to 44,383.50, 66,586.79 and 13,218.75

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Solution

The fourth proportional to 44,383.50, 66,586.79 and 13,218.75 is: 19,831.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,383.50 : 66,586.79 = 13,218.75 : x
  2. Step 2: Convert to fraction form
    44,383.50/66,586.79 = 13,218.75/x
  3. Step 3: Cross multiply
    44,383.50x = 66,586.79 × 13,218.75
  4. Step 4: Simplify right side
    44,383.50x = 880,194,163.36
  5. Step 5: Solve for x
    x = 880,194,163.36/44,383.50
  6. Step 6: Final answer
    x = 19,831.56

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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.