Home / 21,457.27-32,194.76-9,443.26

Finding the Fourth Proportional to 21,457.27, 32,194.76 and 9,443.26

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Solution

The fourth proportional to 21,457.27, 32,194.76 and 9,443.26 is: 14,168.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457.27 : 32,194.76 = 9,443.26 : x
  2. Step 2: Convert to fraction form
    21,457.27/32,194.76 = 9,443.26/x
  3. Step 3: Cross multiply
    21,457.27x = 32,194.76 × 9,443.26
  4. Step 4: Simplify right side
    21,457.27x = 304,023,489.32
  5. Step 5: Solve for x
    x = 304,023,489.32/21,457.27
  6. Step 6: Final answer
    x = 14,168.79

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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.