Home / 22,010.41-33,010.44-13,128.22

Finding the Fourth Proportional to 22,010.41, 33,010.44 and 13,128.22

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Solution

The fourth proportional to 22,010.41, 33,010.44 and 13,128.22 is: 19,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,010.41 : 33,010.44 = 13,128.22 : x
  2. Step 2: Convert to fraction form
    22,010.41/33,010.44 = 13,128.22/x
  3. Step 3: Cross multiply
    22,010.41x = 33,010.44 × 13,128.22
  4. Step 4: Simplify right side
    22,010.41x = 433,368,318.62
  5. Step 5: Solve for x
    x = 433,368,318.62/22,010.41
  6. Step 6: Final answer
    x = 19,689.24

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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.