Home / 20,613.94-30,923.18-6,570.70

Finding the Fourth Proportional to 20,613.94, 30,923.18 and 6,570.70

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Solution

The fourth proportional to 20,613.94, 30,923.18 and 6,570.70 is: 9,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,613.94 : 30,923.18 = 6,570.70 : x
  2. Step 2: Convert to fraction form
    20,613.94/30,923.18 = 6,570.70/x
  3. Step 3: Cross multiply
    20,613.94x = 30,923.18 × 6,570.70
  4. Step 4: Simplify right side
    20,613.94x = 203,186,938.83
  5. Step 5: Solve for x
    x = 203,186,938.83/20,613.94
  6. Step 6: Final answer
    x = 9,856.77

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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.