Home / 14,488.56-19,996.68-8,199.60

Finding the Fourth Proportional to 14,488.56, 19,996.68 and 8,199.60

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Solution

The fourth proportional to 14,488.56, 19,996.68 and 8,199.60 is: 11,316.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.56 : 19,996.68 = 8,199.60 : x
  2. Step 2: Convert to fraction form
    14,488.56/19,996.68 = 8,199.60/x
  3. Step 3: Cross multiply
    14,488.56x = 19,996.68 × 8,199.60
  4. Step 4: Simplify right side
    14,488.56x = 163,964,777.33
  5. Step 5: Solve for x
    x = 163,964,777.33/14,488.56
  6. Step 6: Final answer
    x = 11,316.84

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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.