Home / 25,518.54-38,254.74-10,728.60

Finding the Fourth Proportional to 25,518.54, 38,254.74 and 10,728.60

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Solution

The fourth proportional to 25,518.54, 38,254.74 and 10,728.60 is: 16,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.54 : 38,254.74 = 10,728.60 : x
  2. Step 2: Convert to fraction form
    25,518.54/38,254.74 = 10,728.60/x
  3. Step 3: Cross multiply
    25,518.54x = 38,254.74 × 10,728.60
  4. Step 4: Simplify right side
    25,518.54x = 410,419,803.56
  5. Step 5: Solve for x
    x = 410,419,803.56/25,518.54
  6. Step 6: Final answer
    x = 16,083.20

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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.