Home / 13,556.00-18,706.25-8,250.23

Finding the Fourth Proportional to 13,556.00, 18,706.25 and 8,250.23

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Solution

The fourth proportional to 13,556.00, 18,706.25 and 8,250.23 is: 11,384.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.00 : 18,706.25 = 8,250.23 : x
  2. Step 2: Convert to fraction form
    13,556.00/18,706.25 = 8,250.23/x
  3. Step 3: Cross multiply
    13,556.00x = 18,706.25 × 8,250.23
  4. Step 4: Simplify right side
    13,556.00x = 154,330,792.03
  5. Step 5: Solve for x
    x = 154,330,792.03/13,556.00
  6. Step 6: Final answer
    x = 11,384.69

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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.