Home / 19,950.24-27,518.27-12,289.59

Finding the Fourth Proportional to 19,950.24, 27,518.27 and 12,289.59

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Solution

The fourth proportional to 19,950.24, 27,518.27 and 12,289.59 is: 16,951.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.24 : 27,518.27 = 12,289.59 : x
  2. Step 2: Convert to fraction form
    19,950.24/27,518.27 = 12,289.59/x
  3. Step 3: Cross multiply
    19,950.24x = 27,518.27 × 12,289.59
  4. Step 4: Simplify right side
    19,950.24x = 338,188,194.36
  5. Step 5: Solve for x
    x = 338,188,194.36/19,950.24
  6. Step 6: Final answer
    x = 16,951.59

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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.