Home / 22,186.81-33,196.84-13,269.32

Finding the Fourth Proportional to 22,186.81, 33,196.84 and 13,269.32

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Solution

The fourth proportional to 22,186.81, 33,196.84 and 13,269.32 is: 19,854.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.81 : 33,196.84 = 13,269.32 : x
  2. Step 2: Convert to fraction form
    22,186.81/33,196.84 = 13,269.32/x
  3. Step 3: Cross multiply
    22,186.81x = 33,196.84 × 13,269.32
  4. Step 4: Simplify right side
    22,186.81x = 440,499,418.28
  5. Step 5: Solve for x
    x = 440,499,418.28/22,186.81
  6. Step 6: Final answer
    x = 19,854.11

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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.