Home / 44,136.18-66,208.35-12,546.90

Finding the Fourth Proportional to 44,136.18, 66,208.35 and 12,546.90

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Solution

The fourth proportional to 44,136.18, 66,208.35 and 12,546.90 is: 18,821.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,136.18 : 66,208.35 = 12,546.90 : x
  2. Step 2: Convert to fraction form
    44,136.18/66,208.35 = 12,546.90/x
  3. Step 3: Cross multiply
    44,136.18x = 66,208.35 × 12,546.90
  4. Step 4: Simplify right side
    44,136.18x = 830,709,546.62
  5. Step 5: Solve for x
    x = 830,709,546.62/44,136.18
  6. Step 6: Final answer
    x = 18,821.51

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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.