Home / 18,984.78-26,200.46-11,026.53

Finding the Fourth Proportional to 18,984.78, 26,200.46 and 11,026.53

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Solution

The fourth proportional to 18,984.78, 26,200.46 and 11,026.53 is: 15,217.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.78 : 26,200.46 = 11,026.53 : x
  2. Step 2: Convert to fraction form
    18,984.78/26,200.46 = 11,026.53/x
  3. Step 3: Cross multiply
    18,984.78x = 26,200.46 × 11,026.53
  4. Step 4: Simplify right side
    18,984.78x = 288,900,185.77
  5. Step 5: Solve for x
    x = 288,900,185.77/18,984.78
  6. Step 6: Final answer
    x = 15,217.46

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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.