Home / 25,172.80-37,698.48-19,889.44

Finding the Fourth Proportional to 25,172.80, 37,698.48 and 19,889.44

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Solution

The fourth proportional to 25,172.80, 37,698.48 and 19,889.44 is: 29,786.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,172.80 : 37,698.48 = 19,889.44 : x
  2. Step 2: Convert to fraction form
    25,172.80/37,698.48 = 19,889.44/x
  3. Step 3: Cross multiply
    25,172.80x = 37,698.48 × 19,889.44
  4. Step 4: Simplify right side
    25,172.80x = 749,801,656.05
  5. Step 5: Solve for x
    x = 749,801,656.05/25,172.80
  6. Step 6: Final answer
    x = 29,786.18

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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.