Home / 19,470.70-26,864.22-11,291.32

Finding the Fourth Proportional to 19,470.70, 26,864.22 and 11,291.32

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Solution

The fourth proportional to 19,470.70, 26,864.22 and 11,291.32 is: 15,578.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.70 : 26,864.22 = 11,291.32 : x
  2. Step 2: Convert to fraction form
    19,470.70/26,864.22 = 11,291.32/x
  3. Step 3: Cross multiply
    19,470.70x = 26,864.22 × 11,291.32
  4. Step 4: Simplify right side
    19,470.70x = 303,332,504.57
  5. Step 5: Solve for x
    x = 303,332,504.57/19,470.70
  6. Step 6: Final answer
    x = 15,578.92

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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.