Home / 25,883.20-38,815.20-10,297.60

Finding the Fourth Proportional to 25,883.20, 38,815.20 and 10,297.60

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Solution

The fourth proportional to 25,883.20, 38,815.20 and 10,297.60 is: 15,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,883.20 : 38,815.20 = 10,297.60 : x
  2. Step 2: Convert to fraction form
    25,883.20/38,815.20 = 10,297.60/x
  3. Step 3: Cross multiply
    25,883.20x = 38,815.20 × 10,297.60
  4. Step 4: Simplify right side
    25,883.20x = 399,703,403.52
  5. Step 5: Solve for x
    x = 399,703,403.52/25,883.20
  6. Step 6: Final answer
    x = 15,442.58

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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.