Home / 13,274.48-19,912.20-5,877.68

Finding the Fourth Proportional to 13,274.48, 19,912.20 and 5,877.68

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Solution

The fourth proportional to 13,274.48, 19,912.20 and 5,877.68 is: 8,816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.48 : 19,912.20 = 5,877.68 : x
  2. Step 2: Convert to fraction form
    13,274.48/19,912.20 = 5,877.68/x
  3. Step 3: Cross multiply
    13,274.48x = 19,912.20 × 5,877.68
  4. Step 4: Simplify right side
    13,274.48x = 117,037,539.70
  5. Step 5: Solve for x
    x = 117,037,539.70/13,274.48
  6. Step 6: Final answer
    x = 8,816.73

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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.