Home / 19,255.93-28,882.22-13,657.66

Finding the Fourth Proportional to 19,255.93, 28,882.22 and 13,657.66

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Solution

The fourth proportional to 19,255.93, 28,882.22 and 13,657.66 is: 20,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.93 : 28,882.22 = 13,657.66 : x
  2. Step 2: Convert to fraction form
    19,255.93/28,882.22 = 13,657.66/x
  3. Step 3: Cross multiply
    19,255.93x = 28,882.22 × 13,657.66
  4. Step 4: Simplify right side
    19,255.93x = 394,463,639.60
  5. Step 5: Solve for x
    x = 394,463,639.60/19,255.93
  6. Step 6: Final answer
    x = 20,485.31

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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.