Home / 18,556.92-25,613.94-10,603.56

Finding the Fourth Proportional to 18,556.92, 25,613.94 and 10,603.56

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Solution

The fourth proportional to 18,556.92, 25,613.94 and 10,603.56 is: 14,635.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.92 : 25,613.94 = 10,603.56 : x
  2. Step 2: Convert to fraction form
    18,556.92/25,613.94 = 10,603.56/x
  3. Step 3: Cross multiply
    18,556.92x = 25,613.94 × 10,603.56
  4. Step 4: Simplify right side
    18,556.92x = 271,598,949.63
  5. Step 5: Solve for x
    x = 271,598,949.63/18,556.92
  6. Step 6: Final answer
    x = 14,635.99

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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.