Home / 13,764.52-20,661.34-8,573.96

Finding the Fourth Proportional to 13,764.52, 20,661.34 and 8,573.96

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Solution

The fourth proportional to 13,764.52, 20,661.34 and 8,573.96 is: 12,870.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.52 : 20,661.34 = 8,573.96 : x
  2. Step 2: Convert to fraction form
    13,764.52/20,661.34 = 8,573.96/x
  3. Step 3: Cross multiply
    13,764.52x = 20,661.34 × 8,573.96
  4. Step 4: Simplify right side
    13,764.52x = 177,149,502.71
  5. Step 5: Solve for x
    x = 177,149,502.71/13,764.52
  6. Step 6: Final answer
    x = 12,870.01

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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.