Home / 14,599.04-20,146.69-8,311.41

Finding the Fourth Proportional to 14,599.04, 20,146.69 and 8,311.41

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Solution

The fourth proportional to 14,599.04, 20,146.69 and 8,311.41 is: 11,469.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599.04 : 20,146.69 = 8,311.41 : x
  2. Step 2: Convert to fraction form
    14,599.04/20,146.69 = 8,311.41/x
  3. Step 3: Cross multiply
    14,599.04x = 20,146.69 × 8,311.41
  4. Step 4: Simplify right side
    14,599.04x = 167,447,379.95
  5. Step 5: Solve for x
    x = 167,447,379.95/14,599.04
  6. Step 6: Final answer
    x = 11,469.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.