Home / 14,739.66-22,112.64-4,878.42

Finding the Fourth Proportional to 14,739.66, 22,112.64 and 4,878.42

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Solution

The fourth proportional to 14,739.66, 22,112.64 and 4,878.42 is: 7,318.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.66 : 22,112.64 = 4,878.42 : x
  2. Step 2: Convert to fraction form
    14,739.66/22,112.64 = 4,878.42/x
  3. Step 3: Cross multiply
    14,739.66x = 22,112.64 × 4,878.42
  4. Step 4: Simplify right side
    14,739.66x = 107,874,745.23
  5. Step 5: Solve for x
    x = 107,874,745.23/14,739.66
  6. Step 6: Final answer
    x = 7,318.67

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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.