Home / 14,976.40-22,464.60-7,181.20

Finding the Fourth Proportional to 14,976.40, 22,464.60 and 7,181.20

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Solution

The fourth proportional to 14,976.40, 22,464.60 and 7,181.20 is: 10,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976.40 : 22,464.60 = 7,181.20 : x
  2. Step 2: Convert to fraction form
    14,976.40/22,464.60 = 7,181.20/x
  3. Step 3: Cross multiply
    14,976.40x = 22,464.60 × 7,181.20
  4. Step 4: Simplify right side
    14,976.40x = 161,322,785.52
  5. Step 5: Solve for x
    x = 161,322,785.52/14,976.40
  6. Step 6: Final answer
    x = 10,771.80

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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.