Home / 20,142.93-30,202.47-6,098.70

Finding the Fourth Proportional to 20,142.93, 30,202.47 and 6,098.70

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Solution

The fourth proportional to 20,142.93, 30,202.47 and 6,098.70 is: 9,144.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142.93 : 30,202.47 = 6,098.70 : x
  2. Step 2: Convert to fraction form
    20,142.93/30,202.47 = 6,098.70/x
  3. Step 3: Cross multiply
    20,142.93x = 30,202.47 × 6,098.70
  4. Step 4: Simplify right side
    20,142.93x = 184,195,803.79
  5. Step 5: Solve for x
    x = 184,195,803.79/20,142.93
  6. Step 6: Final answer
    x = 9,144.44

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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.