Home / 22,072.14-30,463.95-13,117.89

Finding the Fourth Proportional to 22,072.14, 30,463.95 and 13,117.89

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Solution

The fourth proportional to 22,072.14, 30,463.95 and 13,117.89 is: 18,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,072.14 : 30,463.95 = 13,117.89 : x
  2. Step 2: Convert to fraction form
    22,072.14/30,463.95 = 13,117.89/x
  3. Step 3: Cross multiply
    22,072.14x = 30,463.95 × 13,117.89
  4. Step 4: Simplify right side
    22,072.14x = 399,622,745.07
  5. Step 5: Solve for x
    x = 399,622,745.07/22,072.14
  6. Step 6: Final answer
    x = 18,105.30

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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.