Home / 19,107.39-28,676.88-9,754.32

Finding the Fourth Proportional to 19,107.39, 28,676.88 and 9,754.32

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Solution

The fourth proportional to 19,107.39, 28,676.88 and 9,754.32 is: 14,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.39 : 28,676.88 = 9,754.32 : x
  2. Step 2: Convert to fraction form
    19,107.39/28,676.88 = 9,754.32/x
  3. Step 3: Cross multiply
    19,107.39x = 28,676.88 × 9,754.32
  4. Step 4: Simplify right side
    19,107.39x = 279,723,464.12
  5. Step 5: Solve for x
    x = 279,723,464.12/19,107.39
  6. Step 6: Final answer
    x = 14,639.54

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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.