Home / 15,729.54-23,600.78-11,590.44

Finding the Fourth Proportional to 15,729.54, 23,600.78 and 11,590.44

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Solution

The fourth proportional to 15,729.54, 23,600.78 and 11,590.44 is: 17,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729.54 : 23,600.78 = 11,590.44 : x
  2. Step 2: Convert to fraction form
    15,729.54/23,600.78 = 11,590.44/x
  3. Step 3: Cross multiply
    15,729.54x = 23,600.78 × 11,590.44
  4. Step 4: Simplify right side
    15,729.54x = 273,543,424.54
  5. Step 5: Solve for x
    x = 273,543,424.54/15,729.54
  6. Step 6: Final answer
    x = 17,390.43

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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.