Home / 13,531.34-20,299.44-4,764.98

Finding the Fourth Proportional to 13,531.34, 20,299.44 and 4,764.98

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Solution

The fourth proportional to 13,531.34, 20,299.44 and 4,764.98 is: 7,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.34 : 20,299.44 = 4,764.98 : x
  2. Step 2: Convert to fraction form
    13,531.34/20,299.44 = 4,764.98/x
  3. Step 3: Cross multiply
    13,531.34x = 20,299.44 × 4,764.98
  4. Step 4: Simplify right side
    13,531.34x = 96,726,425.61
  5. Step 5: Solve for x
    x = 96,726,425.61/13,531.34
  6. Step 6: Final answer
    x = 7,148.33

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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.