Home / 28,183.65-42,276.15-9,464.29

Finding the Fourth Proportional to 28,183.65, 42,276.15 and 9,464.29

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Solution

The fourth proportional to 28,183.65, 42,276.15 and 9,464.29 is: 14,196.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.65 : 42,276.15 = 9,464.29 : x
  2. Step 2: Convert to fraction form
    28,183.65/42,276.15 = 9,464.29/x
  3. Step 3: Cross multiply
    28,183.65x = 42,276.15 × 9,464.29
  4. Step 4: Simplify right side
    28,183.65x = 400,113,743.68
  5. Step 5: Solve for x
    x = 400,113,743.68/28,183.65
  6. Step 6: Final answer
    x = 14,196.66

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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.