Home / 22,554.56-31,112.96-13,596.64

Finding the Fourth Proportional to 22,554.56, 31,112.96 and 13,596.64

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Solution

The fourth proportional to 22,554.56, 31,112.96 and 13,596.64 is: 18,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,554.56 : 31,112.96 = 13,596.64 : x
  2. Step 2: Convert to fraction form
    22,554.56/31,112.96 = 13,596.64/x
  3. Step 3: Cross multiply
    22,554.56x = 31,112.96 × 13,596.64
  4. Step 4: Simplify right side
    22,554.56x = 423,031,716.45
  5. Step 5: Solve for x
    x = 423,031,716.45/22,554.56
  6. Step 6: Final answer
    x = 18,755.93

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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.