Home / 39,491.74-59,231.20-13,196.44

Finding the Fourth Proportional to 39,491.74, 59,231.20 and 13,196.44

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Solution

The fourth proportional to 39,491.74, 59,231.20 and 13,196.44 is: 19,792.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,491.74 : 59,231.20 = 13,196.44 : x
  2. Step 2: Convert to fraction form
    39,491.74/59,231.20 = 13,196.44/x
  3. Step 3: Cross multiply
    39,491.74x = 59,231.20 × 13,196.44
  4. Step 4: Simplify right side
    39,491.74x = 781,640,976.93
  5. Step 5: Solve for x
    x = 781,640,976.93/39,491.74
  6. Step 6: Final answer
    x = 19,792.52

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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.