Home / 23,361.78-35,000.55-12,820.44

Finding the Fourth Proportional to 23,361.78, 35,000.55 and 12,820.44

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Solution

The fourth proportional to 23,361.78, 35,000.55 and 12,820.44 is: 19,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,361.78 : 35,000.55 = 12,820.44 : x
  2. Step 2: Convert to fraction form
    23,361.78/35,000.55 = 12,820.44/x
  3. Step 3: Cross multiply
    23,361.78x = 35,000.55 × 12,820.44
  4. Step 4: Simplify right side
    23,361.78x = 448,722,451.24
  5. Step 5: Solve for x
    x = 448,722,451.24/23,361.78
  6. Step 6: Final answer
    x = 19,207.55

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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.