Home / 23,143.92-34,715.68-5,613.80

Finding the Fourth Proportional to 23,143.92, 34,715.68 and 5,613.80

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Solution

The fourth proportional to 23,143.92, 34,715.68 and 5,613.80 is: 8,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.92 : 34,715.68 = 5,613.80 : x
  2. Step 2: Convert to fraction form
    23,143.92/34,715.68 = 5,613.80/x
  3. Step 3: Cross multiply
    23,143.92x = 34,715.68 × 5,613.80
  4. Step 4: Simplify right side
    23,143.92x = 194,886,884.38
  5. Step 5: Solve for x
    x = 194,886,884.38/23,143.92
  6. Step 6: Final answer
    x = 8,420.65

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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.