Home / 19,231.64-28,847.28-10,464.56

Finding the Fourth Proportional to 19,231.64, 28,847.28 and 10,464.56

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Solution

The fourth proportional to 19,231.64, 28,847.28 and 10,464.56 is: 15,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231.64 : 28,847.28 = 10,464.56 : x
  2. Step 2: Convert to fraction form
    19,231.64/28,847.28 = 10,464.56/x
  3. Step 3: Cross multiply
    19,231.64x = 28,847.28 × 10,464.56
  4. Step 4: Simplify right side
    19,231.64x = 301,874,092.40
  5. Step 5: Solve for x
    x = 301,874,092.40/19,231.64
  6. Step 6: Final answer
    x = 15,696.74

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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.