Home / 14,190.67-19,583.12-8,225.80

Finding the Fourth Proportional to 14,190.67, 19,583.12 and 8,225.80

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Solution

The fourth proportional to 14,190.67, 19,583.12 and 8,225.80 is: 11,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.67 : 19,583.12 = 8,225.80 : x
  2. Step 2: Convert to fraction form
    14,190.67/19,583.12 = 8,225.80/x
  3. Step 3: Cross multiply
    14,190.67x = 19,583.12 × 8,225.80
  4. Step 4: Simplify right side
    14,190.67x = 161,086,689.45
  5. Step 5: Solve for x
    x = 161,086,689.45/14,190.67
  6. Step 6: Final answer
    x = 11,351.60

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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.