Home / 17,140.49-25,709.11-5,451.65

Finding the Fourth Proportional to 17,140.49, 25,709.11 and 5,451.65

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Solution

The fourth proportional to 17,140.49, 25,709.11 and 5,451.65 is: 8,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,140.49 : 25,709.11 = 5,451.65 : x
  2. Step 2: Convert to fraction form
    17,140.49/25,709.11 = 5,451.65/x
  3. Step 3: Cross multiply
    17,140.49x = 25,709.11 × 5,451.65
  4. Step 4: Simplify right side
    17,140.49x = 140,156,927.36
  5. Step 5: Solve for x
    x = 140,156,927.36/17,140.49
  6. Step 6: Final answer
    x = 8,176.95

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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.