Home / 28,414.72-42,624.24-14,573.44

Finding the Fourth Proportional to 28,414.72, 42,624.24 and 14,573.44

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Solution

The fourth proportional to 28,414.72, 42,624.24 and 14,573.44 is: 21,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414.72 : 42,624.24 = 14,573.44 : x
  2. Step 2: Convert to fraction form
    28,414.72/42,624.24 = 14,573.44/x
  3. Step 3: Cross multiply
    28,414.72x = 42,624.24 × 14,573.44
  4. Step 4: Simplify right side
    28,414.72x = 621,181,804.19
  5. Step 5: Solve for x
    x = 621,181,804.19/28,414.72
  6. Step 6: Final answer
    x = 21,861.27

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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.