Home / 14,181.17-19,571.14-8,212.94

Finding the Fourth Proportional to 14,181.17, 19,571.14 and 8,212.94

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Solution

The fourth proportional to 14,181.17, 19,571.14 and 8,212.94 is: 11,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.17 : 19,571.14 = 8,212.94 : x
  2. Step 2: Convert to fraction form
    14,181.17/19,571.14 = 8,212.94/x
  3. Step 3: Cross multiply
    14,181.17x = 19,571.14 × 8,212.94
  4. Step 4: Simplify right side
    14,181.17x = 160,736,598.55
  5. Step 5: Solve for x
    x = 160,736,598.55/14,181.17
  6. Step 6: Final answer
    x = 11,334.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.