Home / 36,193.67-54,280.09-12,495.05

Finding the Fourth Proportional to 36,193.67, 54,280.09 and 12,495.05

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Solution

The fourth proportional to 36,193.67, 54,280.09 and 12,495.05 is: 18,738.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,193.67 : 54,280.09 = 12,495.05 : x
  2. Step 2: Convert to fraction form
    36,193.67/54,280.09 = 12,495.05/x
  3. Step 3: Cross multiply
    36,193.67x = 54,280.09 × 12,495.05
  4. Step 4: Simplify right side
    36,193.67x = 678,232,438.55
  5. Step 5: Solve for x
    x = 678,232,438.55/36,193.67
  6. Step 6: Final answer
    x = 18,738.98

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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.