Home / 19,256.17-28,846.66-12,662.36

Finding the Fourth Proportional to 19,256.17, 28,846.66 and 12,662.36

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Solution

The fourth proportional to 19,256.17, 28,846.66 and 12,662.36 is: 18,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,256.17 : 28,846.66 = 12,662.36 : x
  2. Step 2: Convert to fraction form
    19,256.17/28,846.66 = 12,662.36/x
  3. Step 3: Cross multiply
    19,256.17x = 28,846.66 × 12,662.36
  4. Step 4: Simplify right side
    19,256.17x = 365,266,793.72
  5. Step 5: Solve for x
    x = 365,266,793.72/19,256.17
  6. Step 6: Final answer
    x = 18,968.82

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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.