Home / 20,773.95-31,165.04-7,626.44

Finding the Fourth Proportional to 20,773.95, 31,165.04 and 7,626.44

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Solution

The fourth proportional to 20,773.95, 31,165.04 and 7,626.44 is: 11,441.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,773.95 : 31,165.04 = 7,626.44 : x
  2. Step 2: Convert to fraction form
    20,773.95/31,165.04 = 7,626.44/x
  3. Step 3: Cross multiply
    20,773.95x = 31,165.04 × 7,626.44
  4. Step 4: Simplify right side
    20,773.95x = 237,678,186.43
  5. Step 5: Solve for x
    x = 237,678,186.43/20,773.95
  6. Step 6: Final answer
    x = 11,441.16

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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.