Home / 26,196.21-39,313.35-19,640.07

Finding the Fourth Proportional to 26,196.21, 39,313.35 and 19,640.07

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Solution

The fourth proportional to 26,196.21, 39,313.35 and 19,640.07 is: 29,474.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,196.21 : 39,313.35 = 19,640.07 : x
  2. Step 2: Convert to fraction form
    26,196.21/39,313.35 = 19,640.07/x
  3. Step 3: Cross multiply
    26,196.21x = 39,313.35 × 19,640.07
  4. Step 4: Simplify right side
    26,196.21x = 772,116,945.93
  5. Step 5: Solve for x
    x = 772,116,945.93/26,196.21
  6. Step 6: Final answer
    x = 29,474.38

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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.