Home / 13,652.48-18,830.88-8,063.36

Finding the Fourth Proportional to 13,652.48, 18,830.88 and 8,063.36

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Solution

The fourth proportional to 13,652.48, 18,830.88 and 8,063.36 is: 11,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.48 : 18,830.88 = 8,063.36 : x
  2. Step 2: Convert to fraction form
    13,652.48/18,830.88 = 8,063.36/x
  3. Step 3: Cross multiply
    13,652.48x = 18,830.88 × 8,063.36
  4. Step 4: Simplify right side
    13,652.48x = 151,840,164.56
  5. Step 5: Solve for x
    x = 151,840,164.56/13,652.48
  6. Step 6: Final answer
    x = 11,121.80

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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.