Home / 25,518.87-38,280.24-6,798.84

Finding the Fourth Proportional to 25,518.87, 38,280.24 and 6,798.84

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Solution

The fourth proportional to 25,518.87, 38,280.24 and 6,798.84 is: 10,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.87 : 38,280.24 = 6,798.84 : x
  2. Step 2: Convert to fraction form
    25,518.87/38,280.24 = 6,798.84/x
  3. Step 3: Cross multiply
    25,518.87x = 38,280.24 × 6,798.84
  4. Step 4: Simplify right side
    25,518.87x = 260,261,226.92
  5. Step 5: Solve for x
    x = 260,261,226.92/25,518.87
  6. Step 6: Final answer
    x = 10,198.78

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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.