Home / 21,571.54-32,184.03-19,203.42

Finding the Fourth Proportional to 21,571.54, 32,184.03 and 19,203.42

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Solution

The fourth proportional to 21,571.54, 32,184.03 and 19,203.42 is: 28,650.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,571.54 : 32,184.03 = 19,203.42 : x
  2. Step 2: Convert to fraction form
    21,571.54/32,184.03 = 19,203.42/x
  3. Step 3: Cross multiply
    21,571.54x = 32,184.03 × 19,203.42
  4. Step 4: Simplify right side
    21,571.54x = 618,043,638.09
  5. Step 5: Solve for x
    x = 618,043,638.09/21,571.54
  6. Step 6: Final answer
    x = 28,650.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.