Home / 19,359.70-29,039.55-6,893.80

Finding the Fourth Proportional to 19,359.70, 29,039.55 and 6,893.80

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Solution

The fourth proportional to 19,359.70, 29,039.55 and 6,893.80 is: 10,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.70 : 29,039.55 = 6,893.80 : x
  2. Step 2: Convert to fraction form
    19,359.70/29,039.55 = 6,893.80/x
  3. Step 3: Cross multiply
    19,359.70x = 29,039.55 × 6,893.80
  4. Step 4: Simplify right side
    19,359.70x = 200,192,849.79
  5. Step 5: Solve for x
    x = 200,192,849.79/19,359.70
  6. Step 6: Final answer
    x = 10,340.70

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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.