Home / 22,135.14-30,546.72-13,182.75

Finding the Fourth Proportional to 22,135.14, 30,546.72 and 13,182.75

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Solution

The fourth proportional to 22,135.14, 30,546.72 and 13,182.75 is: 18,192.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,135.14 : 30,546.72 = 13,182.75 : x
  2. Step 2: Convert to fraction form
    22,135.14/30,546.72 = 13,182.75/x
  3. Step 3: Cross multiply
    22,135.14x = 30,546.72 × 13,182.75
  4. Step 4: Simplify right side
    22,135.14x = 402,689,773.08
  5. Step 5: Solve for x
    x = 402,689,773.08/22,135.14
  6. Step 6: Final answer
    x = 18,192.33

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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.