Home / 17,930.34-26,895.56-8,541.90

Finding the Fourth Proportional to 17,930.34, 26,895.56 and 8,541.90

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Solution

The fourth proportional to 17,930.34, 26,895.56 and 8,541.90 is: 12,812.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.34 : 26,895.56 = 8,541.90 : x
  2. Step 2: Convert to fraction form
    17,930.34/26,895.56 = 8,541.90/x
  3. Step 3: Cross multiply
    17,930.34x = 26,895.56 × 8,541.90
  4. Step 4: Simplify right side
    17,930.34x = 229,739,141.25
  5. Step 5: Solve for x
    x = 229,739,141.25/17,930.34
  6. Step 6: Final answer
    x = 12,812.87

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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.