Home / 14,048.45-21,079.21-6,149.92

Finding the Fourth Proportional to 14,048.45, 21,079.21 and 6,149.92

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Solution

The fourth proportional to 14,048.45, 21,079.21 and 6,149.92 is: 9,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.45 : 21,079.21 = 6,149.92 : x
  2. Step 2: Convert to fraction form
    14,048.45/21,079.21 = 6,149.92/x
  3. Step 3: Cross multiply
    14,048.45x = 21,079.21 × 6,149.92
  4. Step 4: Simplify right side
    14,048.45x = 129,635,438.14
  5. Step 5: Solve for x
    x = 129,635,438.14/14,048.45
  6. Step 6: Final answer
    x = 9,227.74

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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.