Home / 21,457.08-32,194.50-11,584.75

Finding the Fourth Proportional to 21,457.08, 32,194.50 and 11,584.75

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Solution

The fourth proportional to 21,457.08, 32,194.50 and 11,584.75 is: 17,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457.08 : 32,194.50 = 11,584.75 : x
  2. Step 2: Convert to fraction form
    21,457.08/32,194.50 = 11,584.75/x
  3. Step 3: Cross multiply
    21,457.08x = 32,194.50 × 11,584.75
  4. Step 4: Simplify right side
    21,457.08x = 372,965,233.88
  5. Step 5: Solve for x
    x = 372,965,233.88/21,457.08
  6. Step 6: Final answer
    x = 17,381.92

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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.