Home / 14,019.88-21,029.36-5,697.44

Finding the Fourth Proportional to 14,019.88, 21,029.36 and 5,697.44

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Solution

The fourth proportional to 14,019.88, 21,029.36 and 5,697.44 is: 8,545.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.88 : 21,029.36 = 5,697.44 : x
  2. Step 2: Convert to fraction form
    14,019.88/21,029.36 = 5,697.44/x
  3. Step 3: Cross multiply
    14,019.88x = 21,029.36 × 5,697.44
  4. Step 4: Simplify right side
    14,019.88x = 119,813,516.84
  5. Step 5: Solve for x
    x = 119,813,516.84/14,019.88
  6. Step 6: Final answer
    x = 8,545.97

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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.