Home / 13,432.46-20,137.10-5,930.30

Finding the Fourth Proportional to 13,432.46, 20,137.10 and 5,930.30

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Solution

The fourth proportional to 13,432.46, 20,137.10 and 5,930.30 is: 8,890.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.46 : 20,137.10 = 5,930.30 : x
  2. Step 2: Convert to fraction form
    13,432.46/20,137.10 = 5,930.30/x
  3. Step 3: Cross multiply
    13,432.46x = 20,137.10 × 5,930.30
  4. Step 4: Simplify right side
    13,432.46x = 119,418,913.79
  5. Step 5: Solve for x
    x = 119,418,913.79/13,432.46
  6. Step 6: Final answer
    x = 8,890.33

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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.