Home / 19,318.85-26,650.60-12,157.64

Finding the Fourth Proportional to 19,318.85, 26,650.60 and 12,157.64

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Solution

The fourth proportional to 19,318.85, 26,650.60 and 12,157.64 is: 16,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.85 : 26,650.60 = 12,157.64 : x
  2. Step 2: Convert to fraction form
    19,318.85/26,650.60 = 12,157.64/x
  3. Step 3: Cross multiply
    19,318.85x = 26,650.60 × 12,157.64
  4. Step 4: Simplify right side
    19,318.85x = 324,008,436.82
  5. Step 5: Solve for x
    x = 324,008,436.82/19,318.85
  6. Step 6: Final answer
    x = 16,771.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.