Home / 42,180.92-63,271.46-12,596.43

Finding the Fourth Proportional to 42,180.92, 63,271.46 and 12,596.43

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Solution

The fourth proportional to 42,180.92, 63,271.46 and 12,596.43 is: 18,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,180.92 : 63,271.46 = 12,596.43 : x
  2. Step 2: Convert to fraction form
    42,180.92/63,271.46 = 12,596.43/x
  3. Step 3: Cross multiply
    42,180.92x = 63,271.46 × 12,596.43
  4. Step 4: Simplify right side
    42,180.92x = 796,994,516.89
  5. Step 5: Solve for x
    x = 796,994,516.89/42,180.92
  6. Step 6: Final answer
    x = 18,894.67

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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.