Home / 49,601.04-74,401.52-12,665.04

Finding the Fourth Proportional to 49,601.04, 74,401.52 and 12,665.04

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Solution

The fourth proportional to 49,601.04, 74,401.52 and 12,665.04 is: 18,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,601.04 : 74,401.52 = 12,665.04 : x
  2. Step 2: Convert to fraction form
    49,601.04/74,401.52 = 12,665.04/x
  3. Step 3: Cross multiply
    49,601.04x = 74,401.52 × 12,665.04
  4. Step 4: Simplify right side
    49,601.04x = 942,298,226.86
  5. Step 5: Solve for x
    x = 942,298,226.86/49,601.04
  6. Step 6: Final answer
    x = 18,997.55

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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.