Home / 19,086.21-26,340.71-11,536.29

Finding the Fourth Proportional to 19,086.21, 26,340.71 and 11,536.29

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Solution

The fourth proportional to 19,086.21, 26,340.71 and 11,536.29 is: 15,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.21 : 26,340.71 = 11,536.29 : x
  2. Step 2: Convert to fraction form
    19,086.21/26,340.71 = 11,536.29/x
  3. Step 3: Cross multiply
    19,086.21x = 26,340.71 × 11,536.29
  4. Step 4: Simplify right side
    19,086.21x = 303,874,011.68
  5. Step 5: Solve for x
    x = 303,874,011.68/19,086.21
  6. Step 6: Final answer
    x = 15,921.13

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Double scale
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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.