Home / 28,716.05-39,614.54-19,160.37

Finding the Fourth Proportional to 28,716.05, 39,614.54 and 19,160.37

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Solution

The fourth proportional to 28,716.05, 39,614.54 and 19,160.37 is: 26,432.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.05 : 39,614.54 = 19,160.37 : x
  2. Step 2: Convert to fraction form
    28,716.05/39,614.54 = 19,160.37/x
  3. Step 3: Cross multiply
    28,716.05x = 39,614.54 × 19,160.37
  4. Step 4: Simplify right side
    28,716.05x = 759,029,147.98
  5. Step 5: Solve for x
    x = 759,029,147.98/28,716.05
  6. Step 6: Final answer
    x = 26,432.22

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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.