Home / 18,732.26-28,076.79-7,038.02

Finding the Fourth Proportional to 18,732.26, 28,076.79 and 7,038.02

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Solution

The fourth proportional to 18,732.26, 28,076.79 and 7,038.02 is: 10,548.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.26 : 28,076.79 = 7,038.02 : x
  2. Step 2: Convert to fraction form
    18,732.26/28,076.79 = 7,038.02/x
  3. Step 3: Cross multiply
    18,732.26x = 28,076.79 × 7,038.02
  4. Step 4: Simplify right side
    18,732.26x = 197,605,009.56
  5. Step 5: Solve for x
    x = 197,605,009.56/18,732.26
  6. Step 6: Final answer
    x = 10,548.91

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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.