Home / 25,195.20-37,788.02-12,722.47

Finding the Fourth Proportional to 25,195.20, 37,788.02 and 12,722.47

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Solution

The fourth proportional to 25,195.20, 37,788.02 and 12,722.47 is: 19,081.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,195.20 : 37,788.02 = 12,722.47 : x
  2. Step 2: Convert to fraction form
    25,195.20/37,788.02 = 12,722.47/x
  3. Step 3: Cross multiply
    25,195.20x = 37,788.02 × 12,722.47
  4. Step 4: Simplify right side
    25,195.20x = 480,756,840.44
  5. Step 5: Solve for x
    x = 480,756,840.44/25,195.20
  6. Step 6: Final answer
    x = 19,081.29

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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.