Home / 37,172.34-55,722.42-12,195.18

Finding the Fourth Proportional to 37,172.34, 55,722.42 and 12,195.18

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Solution

The fourth proportional to 37,172.34, 55,722.42 and 12,195.18 is: 18,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,172.34 : 55,722.42 = 12,195.18 : x
  2. Step 2: Convert to fraction form
    37,172.34/55,722.42 = 12,195.18/x
  3. Step 3: Cross multiply
    37,172.34x = 55,722.42 × 12,195.18
  4. Step 4: Simplify right side
    37,172.34x = 679,544,941.94
  5. Step 5: Solve for x
    x = 679,544,941.94/37,172.34
  6. Step 6: Final answer
    x = 18,280.93

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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.