Home / 13,193.69-19,792.35-4,431.11

Finding the Fourth Proportional to 13,193.69, 19,792.35 and 4,431.11

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Solution

The fourth proportional to 13,193.69, 19,792.35 and 4,431.11 is: 6,647.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.69 : 19,792.35 = 4,431.11 : x
  2. Step 2: Convert to fraction form
    13,193.69/19,792.35 = 4,431.11/x
  3. Step 3: Cross multiply
    13,193.69x = 19,792.35 × 4,431.11
  4. Step 4: Simplify right side
    13,193.69x = 87,701,981.05
  5. Step 5: Solve for x
    x = 87,701,981.05/13,193.69
  6. Step 6: Final answer
    x = 6,647.27

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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.