Home / 18,656.03-25,747.78-10,696.70

Finding the Fourth Proportional to 18,656.03, 25,747.78 and 10,696.70

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Solution

The fourth proportional to 18,656.03, 25,747.78 and 10,696.70 is: 14,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.03 : 25,747.78 = 10,696.70 : x
  2. Step 2: Convert to fraction form
    18,656.03/25,747.78 = 10,696.70/x
  3. Step 3: Cross multiply
    18,656.03x = 25,747.78 × 10,696.70
  4. Step 4: Simplify right side
    18,656.03x = 275,416,278.33
  5. Step 5: Solve for x
    x = 275,416,278.33/18,656.03
  6. Step 6: Final answer
    x = 14,762.86

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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.