Home / 21,812.22-32,718.53-14,026.50

Finding the Fourth Proportional to 21,812.22, 32,718.53 and 14,026.50

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Solution

The fourth proportional to 21,812.22, 32,718.53 and 14,026.50 is: 21,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,812.22 : 32,718.53 = 14,026.50 : x
  2. Step 2: Convert to fraction form
    21,812.22/32,718.53 = 14,026.50/x
  3. Step 3: Cross multiply
    21,812.22x = 32,718.53 × 14,026.50
  4. Step 4: Simplify right side
    21,812.22x = 458,926,496.11
  5. Step 5: Solve for x
    x = 458,926,496.11/21,812.22
  6. Step 6: Final answer
    x = 21,039.88

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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.