Home / 26,848.73-40,211.78-12,818.63

Finding the Fourth Proportional to 26,848.73, 40,211.78 and 12,818.63

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Solution

The fourth proportional to 26,848.73, 40,211.78 and 12,818.63 is: 19,198.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,848.73 : 40,211.78 = 12,818.63 : x
  2. Step 2: Convert to fraction form
    26,848.73/40,211.78 = 12,818.63/x
  3. Step 3: Cross multiply
    26,848.73x = 40,211.78 × 12,818.63
  4. Step 4: Simplify right side
    26,848.73x = 515,459,965.90
  5. Step 5: Solve for x
    x = 515,459,965.90/26,848.73
  6. Step 6: Final answer
    x = 19,198.67

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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.