Home / 14,233.60-21,350.40-13,196.80

Finding the Fourth Proportional to 14,233.60, 21,350.40 and 13,196.80

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Solution

The fourth proportional to 14,233.60, 21,350.40 and 13,196.80 is: 19,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233.60 : 21,350.40 = 13,196.80 : x
  2. Step 2: Convert to fraction form
    14,233.60/21,350.40 = 13,196.80/x
  3. Step 3: Cross multiply
    14,233.60x = 21,350.40 × 13,196.80
  4. Step 4: Simplify right side
    14,233.60x = 281,756,958.72
  5. Step 5: Solve for x
    x = 281,756,958.72/14,233.60
  6. Step 6: Final answer
    x = 19,795.20

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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.