Home / 14,878.37-22,318.87-5,518.49

Finding the Fourth Proportional to 14,878.37, 22,318.87 and 5,518.49

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Solution

The fourth proportional to 14,878.37, 22,318.87 and 5,518.49 is: 8,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,878.37 : 22,318.87 = 5,518.49 : x
  2. Step 2: Convert to fraction form
    14,878.37/22,318.87 = 5,518.49/x
  3. Step 3: Cross multiply
    14,878.37x = 22,318.87 × 5,518.49
  4. Step 4: Simplify right side
    14,878.37x = 123,166,487.27
  5. Step 5: Solve for x
    x = 123,166,487.27/14,878.37
  6. Step 6: Final answer
    x = 8,278.22

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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.