Home / 21,556.62-32,324.49-7,516.32

Finding the Fourth Proportional to 21,556.62, 32,324.49 and 7,516.32

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Solution

The fourth proportional to 21,556.62, 32,324.49 and 7,516.32 is: 11,270.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556.62 : 32,324.49 = 7,516.32 : x
  2. Step 2: Convert to fraction form
    21,556.62/32,324.49 = 7,516.32/x
  3. Step 3: Cross multiply
    21,556.62x = 32,324.49 × 7,516.32
  4. Step 4: Simplify right side
    21,556.62x = 242,961,210.68
  5. Step 5: Solve for x
    x = 242,961,210.68/21,556.62
  6. Step 6: Final answer
    x = 11,270.84

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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.