Home / 21,801.94-32,675.49-11,806.30

Finding the Fourth Proportional to 21,801.94, 32,675.49 and 11,806.30

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Solution

The fourth proportional to 21,801.94, 32,675.49 and 11,806.30 is: 17,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,801.94 : 32,675.49 = 11,806.30 : x
  2. Step 2: Convert to fraction form
    21,801.94/32,675.49 = 11,806.30/x
  3. Step 3: Cross multiply
    21,801.94x = 32,675.49 × 11,806.30
  4. Step 4: Simplify right side
    21,801.94x = 385,776,637.59
  5. Step 5: Solve for x
    x = 385,776,637.59/21,801.94
  6. Step 6: Final answer
    x = 17,694.60

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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.