Home / 20,395.74-30,554.13-11,941.77

Finding the Fourth Proportional to 20,395.74, 30,554.13 and 11,941.77

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Solution

The fourth proportional to 20,395.74, 30,554.13 and 11,941.77 is: 17,889.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395.74 : 30,554.13 = 11,941.77 : x
  2. Step 2: Convert to fraction form
    20,395.74/30,554.13 = 11,941.77/x
  3. Step 3: Cross multiply
    20,395.74x = 30,554.13 × 11,941.77
  4. Step 4: Simplify right side
    20,395.74x = 364,870,393.01
  5. Step 5: Solve for x
    x = 364,870,393.01/20,395.74
  6. Step 6: Final answer
    x = 17,889.54

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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.