Home / 12,882.52-19,284.87-11,650.51

Finding the Fourth Proportional to 12,882.52, 19,284.87 and 11,650.51

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Solution

The fourth proportional to 12,882.52, 19,284.87 and 11,650.51 is: 17,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882.52 : 19,284.87 = 11,650.51 : x
  2. Step 2: Convert to fraction form
    12,882.52/19,284.87 = 11,650.51/x
  3. Step 3: Cross multiply
    12,882.52x = 19,284.87 × 11,650.51
  4. Step 4: Simplify right side
    12,882.52x = 224,678,474.36
  5. Step 5: Solve for x
    x = 224,678,474.36/12,882.52
  6. Step 6: Final answer
    x = 17,440.58

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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.