Home / 39,407.94-59,099.22-13,105.62

Finding the Fourth Proportional to 39,407.94, 59,099.22 and 13,105.62

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Solution

The fourth proportional to 39,407.94, 59,099.22 and 13,105.62 is: 19,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,407.94 : 59,099.22 = 13,105.62 : x
  2. Step 2: Convert to fraction form
    39,407.94/59,099.22 = 13,105.62/x
  3. Step 3: Cross multiply
    39,407.94x = 59,099.22 × 13,105.62
  4. Step 4: Simplify right side
    39,407.94x = 774,531,919.62
  5. Step 5: Solve for x
    x = 774,531,919.62/39,407.94
  6. Step 6: Final answer
    x = 19,654.21

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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.