Home / 14,180.72-21,271.37-3,792.38

Finding the Fourth Proportional to 14,180.72, 21,271.37 and 3,792.38

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Solution

The fourth proportional to 14,180.72, 21,271.37 and 3,792.38 is: 5,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.72 : 21,271.37 = 3,792.38 : x
  2. Step 2: Convert to fraction form
    14,180.72/21,271.37 = 3,792.38/x
  3. Step 3: Cross multiply
    14,180.72x = 21,271.37 × 3,792.38
  4. Step 4: Simplify right side
    14,180.72x = 80,668,992.84
  5. Step 5: Solve for x
    x = 80,668,992.84/14,180.72
  6. Step 6: Final answer
    x = 5,688.64

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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.