Home / 19,177.80-26,464.87-18,611.91

Finding the Fourth Proportional to 19,177.80, 26,464.87 and 18,611.91

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Solution

The fourth proportional to 19,177.80, 26,464.87 and 18,611.91 is: 25,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.80 : 26,464.87 = 18,611.91 : x
  2. Step 2: Convert to fraction form
    19,177.80/26,464.87 = 18,611.91/x
  3. Step 3: Cross multiply
    19,177.80x = 26,464.87 × 18,611.91
  4. Step 4: Simplify right side
    19,177.80x = 492,561,778.60
  5. Step 5: Solve for x
    x = 492,561,778.60/19,177.80
  6. Step 6: Final answer
    x = 25,683.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.