Home / 13,625.48-18,803.33-8,247.84

Finding the Fourth Proportional to 13,625.48, 18,803.33 and 8,247.84

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Solution

The fourth proportional to 13,625.48, 18,803.33 and 8,247.84 is: 11,382.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.48 : 18,803.33 = 8,247.84 : x
  2. Step 2: Convert to fraction form
    13,625.48/18,803.33 = 8,247.84/x
  3. Step 3: Cross multiply
    13,625.48x = 18,803.33 × 8,247.84
  4. Step 4: Simplify right side
    13,625.48x = 155,086,816.07
  5. Step 5: Solve for x
    x = 155,086,816.07/13,625.48
  6. Step 6: Final answer
    x = 11,382.12

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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.