Home / 49,586.10-74,379.14-12,650.10

Finding the Fourth Proportional to 49,586.10, 74,379.14 and 12,650.10

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Solution

The fourth proportional to 49,586.10, 74,379.14 and 12,650.10 is: 18,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,586.10 : 74,379.14 = 12,650.10 : x
  2. Step 2: Convert to fraction form
    49,586.10/74,379.14 = 12,650.10/x
  3. Step 3: Cross multiply
    49,586.10x = 74,379.14 × 12,650.10
  4. Step 4: Simplify right side
    49,586.10x = 940,903,558.91
  5. Step 5: Solve for x
    x = 940,903,558.91/49,586.10
  6. Step 6: Final answer
    x = 18,975.15

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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.