Home / 19,824.55-27,289.20-17,134.54

Finding the Fourth Proportional to 19,824.55, 27,289.20 and 17,134.54

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Solution

The fourth proportional to 19,824.55, 27,289.20 and 17,134.54 is: 23,586.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.55 : 27,289.20 = 17,134.54 : x
  2. Step 2: Convert to fraction form
    19,824.55/27,289.20 = 17,134.54/x
  3. Step 3: Cross multiply
    19,824.55x = 27,289.20 × 17,134.54
  4. Step 4: Simplify right side
    19,824.55x = 467,587,885.00
  5. Step 5: Solve for x
    x = 467,587,885.00/19,824.55
  6. Step 6: Final answer
    x = 23,586.31

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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.