Home / 28,346.94-42,506.44-9,620.15

Finding the Fourth Proportional to 28,346.94, 42,506.44 and 9,620.15

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Solution

The fourth proportional to 28,346.94, 42,506.44 and 9,620.15 is: 14,425.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.94 : 42,506.44 = 9,620.15 : x
  2. Step 2: Convert to fraction form
    28,346.94/42,506.44 = 9,620.15/x
  3. Step 3: Cross multiply
    28,346.94x = 42,506.44 × 9,620.15
  4. Step 4: Simplify right side
    28,346.94x = 408,918,234.53
  5. Step 5: Solve for x
    x = 408,918,234.53/28,346.94
  6. Step 6: Final answer
    x = 14,425.48

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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.