Home / 21,638.06-32,457.09-11,796.56

Finding the Fourth Proportional to 21,638.06, 32,457.09 and 11,796.56

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Solution

The fourth proportional to 21,638.06, 32,457.09 and 11,796.56 is: 17,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,638.06 : 32,457.09 = 11,796.56 : x
  2. Step 2: Convert to fraction form
    21,638.06/32,457.09 = 11,796.56/x
  3. Step 3: Cross multiply
    21,638.06x = 32,457.09 × 11,796.56
  4. Step 4: Simplify right side
    21,638.06x = 382,882,009.61
  5. Step 5: Solve for x
    x = 382,882,009.61/21,638.06
  6. Step 6: Final answer
    x = 17,694.84

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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.