Home / 17,606.08-26,403.12-7,738.72

Finding the Fourth Proportional to 17,606.08, 26,403.12 and 7,738.72

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Solution

The fourth proportional to 17,606.08, 26,403.12 and 7,738.72 is: 11,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,606.08 : 26,403.12 = 7,738.72 : x
  2. Step 2: Convert to fraction form
    17,606.08/26,403.12 = 7,738.72/x
  3. Step 3: Cross multiply
    17,606.08x = 26,403.12 × 7,738.72
  4. Step 4: Simplify right side
    17,606.08x = 204,326,352.81
  5. Step 5: Solve for x
    x = 204,326,352.81/17,606.08
  6. Step 6: Final answer
    x = 11,605.44

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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.