Home / 14,180.84-19,571.76-8,518.74

Finding the Fourth Proportional to 14,180.84, 19,571.76 and 8,518.74

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Solution

The fourth proportional to 14,180.84, 19,571.76 and 8,518.74 is: 11,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.84 : 19,571.76 = 8,518.74 : x
  2. Step 2: Convert to fraction form
    14,180.84/19,571.76 = 8,518.74/x
  3. Step 3: Cross multiply
    14,180.84x = 19,571.76 × 8,518.74
  4. Step 4: Simplify right side
    14,180.84x = 166,726,734.78
  5. Step 5: Solve for x
    x = 166,726,734.78/14,180.84
  6. Step 6: Final answer
    x = 11,757.18

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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.