Home / 19,246.88-26,544.12-12,530

Finding the Fourth Proportional to 19,246.88, 26,544.12 and 12,530

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Solution

The fourth proportional to 19,246.88, 26,544.12 and 12,530 is: 17,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.88 : 26,544.12 = 12,530 : x
  2. Step 2: Convert to fraction form
    19,246.88/26,544.12 = 12,530/x
  3. Step 3: Cross multiply
    19,246.88x = 26,544.12 × 12,530
  4. Step 4: Simplify right side
    19,246.88x = 332,597,823.60
  5. Step 5: Solve for x
    x = 332,597,823.60/19,246.88
  6. Step 6: Final answer
    x = 17,280.61

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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.