Home / 25,287.44-37,954.47-12,816.32

Finding the Fourth Proportional to 25,287.44, 37,954.47 and 12,816.32

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Solution

The fourth proportional to 25,287.44, 37,954.47 and 12,816.32 is: 19,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287.44 : 37,954.47 = 12,816.32 : x
  2. Step 2: Convert to fraction form
    25,287.44/37,954.47 = 12,816.32/x
  3. Step 3: Cross multiply
    25,287.44x = 37,954.47 × 12,816.32
  4. Step 4: Simplify right side
    25,287.44x = 486,436,379.10
  5. Step 5: Solve for x
    x = 486,436,379.10/25,287.44
  6. Step 6: Final answer
    x = 19,236.28

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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.