Home / 19,850.79-29,737.25-11,513.29

Finding the Fourth Proportional to 19,850.79, 29,737.25 and 11,513.29

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Solution

The fourth proportional to 19,850.79, 29,737.25 and 11,513.29 is: 17,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.79 : 29,737.25 = 11,513.29 : x
  2. Step 2: Convert to fraction form
    19,850.79/29,737.25 = 11,513.29/x
  3. Step 3: Cross multiply
    19,850.79x = 29,737.25 × 11,513.29
  4. Step 4: Simplify right side
    19,850.79x = 342,373,583.05
  5. Step 5: Solve for x
    x = 342,373,583.05/19,850.79
  6. Step 6: Final answer
    x = 17,247.35

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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.