Home / 26,749.76-40,100.06-9,215.44

Finding the Fourth Proportional to 26,749.76, 40,100.06 and 9,215.44

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Solution

The fourth proportional to 26,749.76, 40,100.06 and 9,215.44 is: 13,814.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,749.76 : 40,100.06 = 9,215.44 : x
  2. Step 2: Convert to fraction form
    26,749.76/40,100.06 = 9,215.44/x
  3. Step 3: Cross multiply
    26,749.76x = 40,100.06 × 9,215.44
  4. Step 4: Simplify right side
    26,749.76x = 369,539,696.93
  5. Step 5: Solve for x
    x = 369,539,696.93/26,749.76
  6. Step 6: Final answer
    x = 13,814.69

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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.