Home / 19,786.82-29,683.18-5,746.98

Finding the Fourth Proportional to 19,786.82, 29,683.18 and 5,746.98

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Solution

The fourth proportional to 19,786.82, 29,683.18 and 5,746.98 is: 8,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.82 : 29,683.18 = 5,746.98 : x
  2. Step 2: Convert to fraction form
    19,786.82/29,683.18 = 5,746.98/x
  3. Step 3: Cross multiply
    19,786.82x = 29,683.18 × 5,746.98
  4. Step 4: Simplify right side
    19,786.82x = 170,588,641.80
  5. Step 5: Solve for x
    x = 170,588,641.80/19,786.82
  6. Step 6: Final answer
    x = 8,621.33

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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.