Home / 21,076.43-29,099.04-13,526.02

Finding the Fourth Proportional to 21,076.43, 29,099.04 and 13,526.02

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Solution

The fourth proportional to 21,076.43, 29,099.04 and 13,526.02 is: 18,674.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,076.43 : 29,099.04 = 13,526.02 : x
  2. Step 2: Convert to fraction form
    21,076.43/29,099.04 = 13,526.02/x
  3. Step 3: Cross multiply
    21,076.43x = 29,099.04 × 13,526.02
  4. Step 4: Simplify right side
    21,076.43x = 393,594,073.55
  5. Step 5: Solve for x
    x = 393,594,073.55/21,076.43
  6. Step 6: Final answer
    x = 18,674.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.