Home / 13,508.10-20,262.96-4,743.63

Finding the Fourth Proportional to 13,508.10, 20,262.96 and 4,743.63

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Solution

The fourth proportional to 13,508.10, 20,262.96 and 4,743.63 is: 7,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.10 : 20,262.96 = 4,743.63 : x
  2. Step 2: Convert to fraction form
    13,508.10/20,262.96 = 4,743.63/x
  3. Step 3: Cross multiply
    13,508.10x = 20,262.96 × 4,743.63
  4. Step 4: Simplify right side
    13,508.10x = 96,119,984.94
  5. Step 5: Solve for x
    x = 96,119,984.94/13,508.10
  6. Step 6: Final answer
    x = 7,115.73

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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.