Home / 13,179.96-19,771.26-4,415.52

Finding the Fourth Proportional to 13,179.96, 19,771.26 and 4,415.52

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Solution

The fourth proportional to 13,179.96, 19,771.26 and 4,415.52 is: 6,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.96 : 19,771.26 = 4,415.52 : x
  2. Step 2: Convert to fraction form
    13,179.96/19,771.26 = 4,415.52/x
  3. Step 3: Cross multiply
    13,179.96x = 19,771.26 × 4,415.52
  4. Step 4: Simplify right side
    13,179.96x = 87,300,393.96
  5. Step 5: Solve for x
    x = 87,300,393.96/13,179.96
  6. Step 6: Final answer
    x = 6,623.72

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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.