Home / 19,469.85-26,868.38-10,517.36

Finding the Fourth Proportional to 19,469.85, 26,868.38 and 10,517.36

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Solution

The fourth proportional to 19,469.85, 26,868.38 and 10,517.36 is: 14,513.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469.85 : 26,868.38 = 10,517.36 : x
  2. Step 2: Convert to fraction form
    19,469.85/26,868.38 = 10,517.36/x
  3. Step 3: Cross multiply
    19,469.85x = 26,868.38 × 10,517.36
  4. Step 4: Simplify right side
    19,469.85x = 282,584,317.03
  5. Step 5: Solve for x
    x = 282,584,317.03/19,469.85
  6. Step 6: Final answer
    x = 14,513.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.