Home / 19,824.50-27,358.89-11,443.70

Finding the Fourth Proportional to 19,824.50, 27,358.89 and 11,443.70

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Solution

The fourth proportional to 19,824.50, 27,358.89 and 11,443.70 is: 15,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.50 : 27,358.89 = 11,443.70 : x
  2. Step 2: Convert to fraction form
    19,824.50/27,358.89 = 11,443.70/x
  3. Step 3: Cross multiply
    19,824.50x = 27,358.89 × 11,443.70
  4. Step 4: Simplify right side
    19,824.50x = 313,086,929.49
  5. Step 5: Solve for x
    x = 313,086,929.49/19,824.50
  6. Step 6: Final answer
    x = 15,792.93

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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.