Home / 22,085.05-30,467.31-13,127.46

Finding the Fourth Proportional to 22,085.05, 30,467.31 and 13,127.46

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Solution

The fourth proportional to 22,085.05, 30,467.31 and 13,127.46 is: 18,109.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,085.05 : 30,467.31 = 13,127.46 : x
  2. Step 2: Convert to fraction form
    22,085.05/30,467.31 = 13,127.46/x
  3. Step 3: Cross multiply
    22,085.05x = 30,467.31 × 13,127.46
  4. Step 4: Simplify right side
    22,085.05x = 399,958,393.33
  5. Step 5: Solve for x
    x = 399,958,393.33/22,085.05
  6. Step 6: Final answer
    x = 18,109.92

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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.