Home / 19,040.68-28,553.82-9,176.68

Finding the Fourth Proportional to 19,040.68, 28,553.82 and 9,176.68

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Solution

The fourth proportional to 19,040.68, 28,553.82 and 9,176.68 is: 13,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.68 : 28,553.82 = 9,176.68 : x
  2. Step 2: Convert to fraction form
    19,040.68/28,553.82 = 9,176.68/x
  3. Step 3: Cross multiply
    19,040.68x = 28,553.82 × 9,176.68
  4. Step 4: Simplify right side
    19,040.68x = 262,029,268.92
  5. Step 5: Solve for x
    x = 262,029,268.92/19,040.68
  6. Step 6: Final answer
    x = 13,761.55

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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.