Home / 13,197.36-19,770.42-11,795.28

Finding the Fourth Proportional to 13,197.36, 19,770.42 and 11,795.28

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Solution

The fourth proportional to 13,197.36, 19,770.42 and 11,795.28 is: 17,670.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.36 : 19,770.42 = 11,795.28 : x
  2. Step 2: Convert to fraction form
    13,197.36/19,770.42 = 11,795.28/x
  3. Step 3: Cross multiply
    13,197.36x = 19,770.42 × 11,795.28
  4. Step 4: Simplify right side
    13,197.36x = 233,197,639.62
  5. Step 5: Solve for x
    x = 233,197,639.62/13,197.36
  6. Step 6: Final answer
    x = 17,670.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.