Home / 13,575.44-20,364.52-4,689.56

Finding the Fourth Proportional to 13,575.44, 20,364.52 and 4,689.56

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Solution

The fourth proportional to 13,575.44, 20,364.52 and 4,689.56 is: 7,034.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.44 : 20,364.52 = 4,689.56 : x
  2. Step 2: Convert to fraction form
    13,575.44/20,364.52 = 4,689.56/x
  3. Step 3: Cross multiply
    13,575.44x = 20,364.52 × 4,689.56
  4. Step 4: Simplify right side
    13,575.44x = 95,500,638.41
  5. Step 5: Solve for x
    x = 95,500,638.41/13,575.44
  6. Step 6: Final answer
    x = 7,034.81

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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.