Home / 28,682.42-39,614.86-19,106.54

Finding the Fourth Proportional to 28,682.42, 39,614.86 and 19,106.54

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Solution

The fourth proportional to 28,682.42, 39,614.86 and 19,106.54 is: 26,389.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682.42 : 39,614.86 = 19,106.54 : x
  2. Step 2: Convert to fraction form
    28,682.42/39,614.86 = 19,106.54/x
  3. Step 3: Cross multiply
    28,682.42x = 39,614.86 × 19,106.54
  4. Step 4: Simplify right side
    28,682.42x = 756,902,907.18
  5. Step 5: Solve for x
    x = 756,902,907.18/28,682.42
  6. Step 6: Final answer
    x = 26,389.09

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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.