Home / 25,216.80-37,825.20-23,143.20

Finding the Fourth Proportional to 25,216.80, 37,825.20 and 23,143.20

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Solution

The fourth proportional to 25,216.80, 37,825.20 and 23,143.20 is: 34,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,216.80 : 37,825.20 = 23,143.20 : x
  2. Step 2: Convert to fraction form
    25,216.80/37,825.20 = 23,143.20/x
  3. Step 3: Cross multiply
    25,216.80x = 37,825.20 × 23,143.20
  4. Step 4: Simplify right side
    25,216.80x = 875,396,168.64
  5. Step 5: Solve for x
    x = 875,396,168.64/25,216.80
  6. Step 6: Final answer
    x = 34,714.80

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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.