Home / 19,053.39-26,286.64-12,342.71

Finding the Fourth Proportional to 19,053.39, 26,286.64 and 12,342.71

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Solution

The fourth proportional to 19,053.39, 26,286.64 and 12,342.71 is: 17,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053.39 : 26,286.64 = 12,342.71 : x
  2. Step 2: Convert to fraction form
    19,053.39/26,286.64 = 12,342.71/x
  3. Step 3: Cross multiply
    19,053.39x = 26,286.64 × 12,342.71
  4. Step 4: Simplify right side
    19,053.39x = 324,448,409.25
  5. Step 5: Solve for x
    x = 324,448,409.25/19,053.39
  6. Step 6: Final answer
    x = 17,028.38

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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.