Home / 21,556.08-32,310.24-9,072.48

Finding the Fourth Proportional to 21,556.08, 32,310.24 and 9,072.48

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Solution

The fourth proportional to 21,556.08, 32,310.24 and 9,072.48 is: 13,598.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556.08 : 32,310.24 = 9,072.48 : x
  2. Step 2: Convert to fraction form
    21,556.08/32,310.24 = 9,072.48/x
  3. Step 3: Cross multiply
    21,556.08x = 32,310.24 × 9,072.48
  4. Step 4: Simplify right side
    21,556.08x = 293,134,006.20
  5. Step 5: Solve for x
    x = 293,134,006.20/21,556.08
  6. Step 6: Final answer
    x = 13,598.67

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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.