Home / 28,466.38-42,670.40-11,836.06

Finding the Fourth Proportional to 28,466.38, 42,670.40 and 11,836.06

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Solution

The fourth proportional to 28,466.38, 42,670.40 and 11,836.06 is: 17,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,466.38 : 42,670.40 = 11,836.06 : x
  2. Step 2: Convert to fraction form
    28,466.38/42,670.40 = 11,836.06/x
  3. Step 3: Cross multiply
    28,466.38x = 42,670.40 × 11,836.06
  4. Step 4: Simplify right side
    28,466.38x = 505,049,414.62
  5. Step 5: Solve for x
    x = 505,049,414.62/28,466.38
  6. Step 6: Final answer
    x = 17,741.96

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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.