Home / 13,524.48-18,672.99-8,816.94

Finding the Fourth Proportional to 13,524.48, 18,672.99 and 8,816.94

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Solution

The fourth proportional to 13,524.48, 18,672.99 and 8,816.94 is: 12,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.48 : 18,672.99 = 8,816.94 : x
  2. Step 2: Convert to fraction form
    13,524.48/18,672.99 = 8,816.94/x
  3. Step 3: Cross multiply
    13,524.48x = 18,672.99 × 8,816.94
  4. Step 4: Simplify right side
    13,524.48x = 164,638,632.45
  5. Step 5: Solve for x
    x = 164,638,632.45/13,524.48
  6. Step 6: Final answer
    x = 12,173.38

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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.