Home / 22,172.33-30,586.41-15,002.55

Finding the Fourth Proportional to 22,172.33, 30,586.41 and 15,002.55

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Solution

The fourth proportional to 22,172.33, 30,586.41 and 15,002.55 is: 20,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.33 : 30,586.41 = 15,002.55 : x
  2. Step 2: Convert to fraction form
    22,172.33/30,586.41 = 15,002.55/x
  3. Step 3: Cross multiply
    22,172.33x = 30,586.41 × 15,002.55
  4. Step 4: Simplify right side
    22,172.33x = 458,874,145.35
  5. Step 5: Solve for x
    x = 458,874,145.35/22,172.33
  6. Step 6: Final answer
    x = 20,695.80

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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.