Home / 13,471.68-20,208.96-11,926.08

Finding the Fourth Proportional to 13,471.68, 20,208.96 and 11,926.08

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Solution

The fourth proportional to 13,471.68, 20,208.96 and 11,926.08 is: 17,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.68 : 20,208.96 = 11,926.08 : x
  2. Step 2: Convert to fraction form
    13,471.68/20,208.96 = 11,926.08/x
  3. Step 3: Cross multiply
    13,471.68x = 20,208.96 × 11,926.08
  4. Step 4: Simplify right side
    13,471.68x = 241,013,673.68
  5. Step 5: Solve for x
    x = 241,013,673.68/13,471.68
  6. Step 6: Final answer
    x = 17,890.39

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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.