Home / 14,093.20-21,139.80-4,232.56

Finding the Fourth Proportional to 14,093.20, 21,139.80 and 4,232.56

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Solution

The fourth proportional to 14,093.20, 21,139.80 and 4,232.56 is: 6,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.20 : 21,139.80 = 4,232.56 : x
  2. Step 2: Convert to fraction form
    14,093.20/21,139.80 = 4,232.56/x
  3. Step 3: Cross multiply
    14,093.20x = 21,139.80 × 4,232.56
  4. Step 4: Simplify right side
    14,093.20x = 89,475,471.89
  5. Step 5: Solve for x
    x = 89,475,471.89/14,093.20
  6. Step 6: Final answer
    x = 6,348.84

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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.