Home / 26,074.56-39,117.60-12,216

Finding the Fourth Proportional to 26,074.56, 39,117.60 and 12,216

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Solution

The fourth proportional to 26,074.56, 39,117.60 and 12,216 is: 18,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,074.56 : 39,117.60 = 12,216 : x
  2. Step 2: Convert to fraction form
    26,074.56/39,117.60 = 12,216/x
  3. Step 3: Cross multiply
    26,074.56x = 39,117.60 × 12,216
  4. Step 4: Simplify right side
    26,074.56x = 477,860,601.60
  5. Step 5: Solve for x
    x = 477,860,601.60/26,074.56
  6. Step 6: Final answer
    x = 18,326.70

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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.