Home / 21,556.08-32,274.04-11,003.40

Finding the Fourth Proportional to 21,556.08, 32,274.04 and 11,003.40

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Solution

The fourth proportional to 21,556.08, 32,274.04 and 11,003.40 is: 16,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556.08 : 32,274.04 = 11,003.40 : x
  2. Step 2: Convert to fraction form
    21,556.08/32,274.04 = 11,003.40/x
  3. Step 3: Cross multiply
    21,556.08x = 32,274.04 × 11,003.40
  4. Step 4: Simplify right side
    21,556.08x = 355,123,955.35
  5. Step 5: Solve for x
    x = 355,123,955.35/21,556.08
  6. Step 6: Final answer
    x = 16,474.43

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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.