Home / 21,800.58-30,093.84-14,736.57

Finding the Fourth Proportional to 21,800.58, 30,093.84 and 14,736.57

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Solution

The fourth proportional to 21,800.58, 30,093.84 and 14,736.57 is: 20,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,800.58 : 30,093.84 = 14,736.57 : x
  2. Step 2: Convert to fraction form
    21,800.58/30,093.84 = 14,736.57/x
  3. Step 3: Cross multiply
    21,800.58x = 30,093.84 × 14,736.57
  4. Step 4: Simplify right side
    21,800.58x = 443,479,979.73
  5. Step 5: Solve for x
    x = 443,479,979.73/21,800.58
  6. Step 6: Final answer
    x = 20,342.58

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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.