Home / 19,674.20-27,160.24-12,511.32

Finding the Fourth Proportional to 19,674.20, 27,160.24 and 12,511.32

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Solution

The fourth proportional to 19,674.20, 27,160.24 and 12,511.32 is: 17,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,674.20 : 27,160.24 = 12,511.32 : x
  2. Step 2: Convert to fraction form
    19,674.20/27,160.24 = 12,511.32/x
  3. Step 3: Cross multiply
    19,674.20x = 27,160.24 × 12,511.32
  4. Step 4: Simplify right side
    19,674.20x = 339,810,453.92
  5. Step 5: Solve for x
    x = 339,810,453.92/19,674.20
  6. Step 6: Final answer
    x = 17,271.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.