Home / 17,579.49-26,372.28-7,719.77

Finding the Fourth Proportional to 17,579.49, 26,372.28 and 7,719.77

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Solution

The fourth proportional to 17,579.49, 26,372.28 and 7,719.77 is: 11,580.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,579.49 : 26,372.28 = 7,719.77 : x
  2. Step 2: Convert to fraction form
    17,579.49/26,372.28 = 7,719.77/x
  3. Step 3: Cross multiply
    17,579.49x = 26,372.28 × 7,719.77
  4. Step 4: Simplify right side
    17,579.49x = 203,587,804.11
  5. Step 5: Solve for x
    x = 203,587,804.11/17,579.49
  6. Step 6: Final answer
    x = 11,580.98

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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.