Home / 22,605.67-31,198.02-13,173.63

Finding the Fourth Proportional to 22,605.67, 31,198.02 and 13,173.63

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Solution

The fourth proportional to 22,605.67, 31,198.02 and 13,173.63 is: 18,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,605.67 : 31,198.02 = 13,173.63 : x
  2. Step 2: Convert to fraction form
    22,605.67/31,198.02 = 13,173.63/x
  3. Step 3: Cross multiply
    22,605.67x = 31,198.02 × 13,173.63
  4. Step 4: Simplify right side
    22,605.67x = 410,991,172.21
  5. Step 5: Solve for x
    x = 410,991,172.21/22,605.67
  6. Step 6: Final answer
    x = 18,180.89

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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.