Home / 45,084.12-67,582.23-18,796.38

Finding the Fourth Proportional to 45,084.12, 67,582.23 and 18,796.38

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Solution

The fourth proportional to 45,084.12, 67,582.23 and 18,796.38 is: 28,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,084.12 : 67,582.23 = 18,796.38 : x
  2. Step 2: Convert to fraction form
    45,084.12/67,582.23 = 18,796.38/x
  3. Step 3: Cross multiply
    45,084.12x = 67,582.23 × 18,796.38
  4. Step 4: Simplify right side
    45,084.12x = 1,270,301,276.33
  5. Step 5: Solve for x
    x = 1,270,301,276.33/45,084.12
  6. Step 6: Final answer
    x = 28,176.25

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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.