Home / 26,636.99-39,917.37-19,561.47

Finding the Fourth Proportional to 26,636.99, 39,917.37 and 19,561.47

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Solution

The fourth proportional to 26,636.99, 39,917.37 and 19,561.47 is: 29,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,636.99 : 39,917.37 = 19,561.47 : x
  2. Step 2: Convert to fraction form
    26,636.99/39,917.37 = 19,561.47/x
  3. Step 3: Cross multiply
    26,636.99x = 39,917.37 × 19,561.47
  4. Step 4: Simplify right side
    26,636.99x = 780,842,359.40
  5. Step 5: Solve for x
    x = 780,842,359.40/26,636.99
  6. Step 6: Final answer
    x = 29,314.22

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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.