Home / 13,350.58-20,016.15-6,416.98

Finding the Fourth Proportional to 13,350.58, 20,016.15 and 6,416.98

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Solution

The fourth proportional to 13,350.58, 20,016.15 and 6,416.98 is: 9,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.58 : 20,016.15 = 6,416.98 : x
  2. Step 2: Convert to fraction form
    13,350.58/20,016.15 = 6,416.98/x
  3. Step 3: Cross multiply
    13,350.58x = 20,016.15 × 6,416.98
  4. Step 4: Simplify right side
    13,350.58x = 128,443,234.23
  5. Step 5: Solve for x
    x = 128,443,234.23/13,350.58
  6. Step 6: Final answer
    x = 9,620.80

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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.