Home / 17,299.68-23,884.96-13,313.76

Finding the Fourth Proportional to 17,299.68, 23,884.96 and 13,313.76

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Solution

The fourth proportional to 17,299.68, 23,884.96 and 13,313.76 is: 18,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,299.68 : 23,884.96 = 13,313.76 : x
  2. Step 2: Convert to fraction form
    17,299.68/23,884.96 = 13,313.76/x
  3. Step 3: Cross multiply
    17,299.68x = 23,884.96 × 13,313.76
  4. Step 4: Simplify right side
    17,299.68x = 317,998,625.05
  5. Step 5: Solve for x
    x = 317,998,625.05/17,299.68
  6. Step 6: Final answer
    x = 18,381.76

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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.