Home / 25,584.48-38,409.84-20,073.60

Finding the Fourth Proportional to 25,584.48, 38,409.84 and 20,073.60

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Solution

The fourth proportional to 25,584.48, 38,409.84 and 20,073.60 is: 30,136.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,584.48 : 38,409.84 = 20,073.60 : x
  2. Step 2: Convert to fraction form
    25,584.48/38,409.84 = 20,073.60/x
  3. Step 3: Cross multiply
    25,584.48x = 38,409.84 × 20,073.60
  4. Step 4: Simplify right side
    25,584.48x = 771,023,764.22
  5. Step 5: Solve for x
    x = 771,023,764.22/25,584.48
  6. Step 6: Final answer
    x = 30,136.39

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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.