Home / 14,040.14-21,060.21-4,179.56

Finding the Fourth Proportional to 14,040.14, 21,060.21 and 4,179.56

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Solution

The fourth proportional to 14,040.14, 21,060.21 and 4,179.56 is: 6,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.14 : 21,060.21 = 4,179.56 : x
  2. Step 2: Convert to fraction form
    14,040.14/21,060.21 = 4,179.56/x
  3. Step 3: Cross multiply
    14,040.14x = 21,060.21 × 4,179.56
  4. Step 4: Simplify right side
    14,040.14x = 88,022,411.31
  5. Step 5: Solve for x
    x = 88,022,411.31/14,040.14
  6. Step 6: Final answer
    x = 6,269.34

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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.