Home / 28,450.07-39,274.38-16,511.10

Finding the Fourth Proportional to 28,450.07, 39,274.38 and 16,511.10

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Solution

The fourth proportional to 28,450.07, 39,274.38 and 16,511.10 is: 22,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450.07 : 39,274.38 = 16,511.10 : x
  2. Step 2: Convert to fraction form
    28,450.07/39,274.38 = 16,511.10/x
  3. Step 3: Cross multiply
    28,450.07x = 39,274.38 × 16,511.10
  4. Step 4: Simplify right side
    28,450.07x = 648,463,215.62
  5. Step 5: Solve for x
    x = 648,463,215.62/28,450.07
  6. Step 6: Final answer
    x = 22,793.03

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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.