Home / 26,586.54-39,878.87-12,541.41

Finding the Fourth Proportional to 26,586.54, 39,878.87 and 12,541.41

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Solution

The fourth proportional to 26,586.54, 39,878.87 and 12,541.41 is: 18,811.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,586.54 : 39,878.87 = 12,541.41 : x
  2. Step 2: Convert to fraction form
    26,586.54/39,878.87 = 12,541.41/x
  3. Step 3: Cross multiply
    26,586.54x = 39,878.87 × 12,541.41
  4. Step 4: Simplify right side
    26,586.54x = 500,137,196.30
  5. Step 5: Solve for x
    x = 500,137,196.30/26,586.54
  6. Step 6: Final answer
    x = 18,811.67

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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.