Home / 19,715.99-29,570.70-5,861.75

Finding the Fourth Proportional to 19,715.99, 29,570.70 and 5,861.75

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Solution

The fourth proportional to 19,715.99, 29,570.70 and 5,861.75 is: 8,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.99 : 29,570.70 = 5,861.75 : x
  2. Step 2: Convert to fraction form
    19,715.99/29,570.70 = 5,861.75/x
  3. Step 3: Cross multiply
    19,715.99x = 29,570.70 × 5,861.75
  4. Step 4: Simplify right side
    19,715.99x = 173,336,050.73
  5. Step 5: Solve for x
    x = 173,336,050.73/19,715.99
  6. Step 6: Final answer
    x = 8,791.65

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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.