Home / 19,086.16-28,636.06-11,604.94

Finding the Fourth Proportional to 19,086.16, 28,636.06 and 11,604.94

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Solution

The fourth proportional to 19,086.16, 28,636.06 and 11,604.94 is: 17,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.16 : 28,636.06 = 11,604.94 : x
  2. Step 2: Convert to fraction form
    19,086.16/28,636.06 = 11,604.94/x
  3. Step 3: Cross multiply
    19,086.16x = 28,636.06 × 11,604.94
  4. Step 4: Simplify right side
    19,086.16x = 332,319,758.14
  5. Step 5: Solve for x
    x = 332,319,758.14/19,086.16
  6. Step 6: Final answer
    x = 17,411.56

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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.