Home / 22,270.02-30,704.31-15,904.23

Finding the Fourth Proportional to 22,270.02, 30,704.31 and 15,904.23

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Solution

The fourth proportional to 22,270.02, 30,704.31 and 15,904.23 is: 21,927.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.02 : 30,704.31 = 15,904.23 : x
  2. Step 2: Convert to fraction form
    22,270.02/30,704.31 = 15,904.23/x
  3. Step 3: Cross multiply
    22,270.02x = 30,704.31 × 15,904.23
  4. Step 4: Simplify right side
    22,270.02x = 488,328,408.23
  5. Step 5: Solve for x
    x = 488,328,408.23/22,270.02
  6. Step 6: Final answer
    x = 21,927.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.