Home / 17,511.72-26,245.64-8,749.08

Finding the Fourth Proportional to 17,511.72, 26,245.64 and 8,749.08

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Solution

The fourth proportional to 17,511.72, 26,245.64 and 8,749.08 is: 13,112.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,511.72 : 26,245.64 = 8,749.08 : x
  2. Step 2: Convert to fraction form
    17,511.72/26,245.64 = 8,749.08/x
  3. Step 3: Cross multiply
    17,511.72x = 26,245.64 × 8,749.08
  4. Step 4: Simplify right side
    17,511.72x = 229,625,204.01
  5. Step 5: Solve for x
    x = 229,625,204.01/17,511.72
  6. Step 6: Final answer
    x = 13,112.66

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1.5x scale

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.