Home / 19,830.90-29,744.33-6,683.39

Finding the Fourth Proportional to 19,830.90, 29,744.33 and 6,683.39

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Solution

The fourth proportional to 19,830.90, 29,744.33 and 6,683.39 is: 10,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830.90 : 29,744.33 = 6,683.39 : x
  2. Step 2: Convert to fraction form
    19,830.90/29,744.33 = 6,683.39/x
  3. Step 3: Cross multiply
    19,830.90x = 29,744.33 × 6,683.39
  4. Step 4: Simplify right side
    19,830.90x = 198,792,775.54
  5. Step 5: Solve for x
    x = 198,792,775.54/19,830.90
  6. Step 6: Final answer
    x = 10,024.40

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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.