Home / 19,290.16-26,620.68-10,906.84

Finding the Fourth Proportional to 19,290.16, 26,620.68 and 10,906.84

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Solution

The fourth proportional to 19,290.16, 26,620.68 and 10,906.84 is: 15,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.16 : 26,620.68 = 10,906.84 : x
  2. Step 2: Convert to fraction form
    19,290.16/26,620.68 = 10,906.84/x
  3. Step 3: Cross multiply
    19,290.16x = 26,620.68 × 10,906.84
  4. Step 4: Simplify right side
    19,290.16x = 290,347,497.45
  5. Step 5: Solve for x
    x = 290,347,497.45/19,290.16
  6. Step 6: Final answer
    x = 15,051.59

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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.