Home / 19,042.99-26,279.96-12,658.46

Finding the Fourth Proportional to 19,042.99, 26,279.96 and 12,658.46

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Solution

The fourth proportional to 19,042.99, 26,279.96 and 12,658.46 is: 17,469.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.99 : 26,279.96 = 12,658.46 : x
  2. Step 2: Convert to fraction form
    19,042.99/26,279.96 = 12,658.46/x
  3. Step 3: Cross multiply
    19,042.99x = 26,279.96 × 12,658.46
  4. Step 4: Simplify right side
    19,042.99x = 332,663,627.77
  5. Step 5: Solve for x
    x = 332,663,627.77/19,042.99
  6. Step 6: Final answer
    x = 17,469.09

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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.