Home / 12,524.02-18,782.21-4,202.21

Finding the Fourth Proportional to 12,524.02, 18,782.21 and 4,202.21

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Solution

The fourth proportional to 12,524.02, 18,782.21 and 4,202.21 is: 6,302.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.02 : 18,782.21 = 4,202.21 : x
  2. Step 2: Convert to fraction form
    12,524.02/18,782.21 = 4,202.21/x
  3. Step 3: Cross multiply
    12,524.02x = 18,782.21 × 4,202.21
  4. Step 4: Simplify right side
    12,524.02x = 78,926,848.15
  5. Step 5: Solve for x
    x = 78,926,848.15/12,524.02
  6. Step 6: Final answer
    x = 6,302.04

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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.