Home / 19,963.73-27,551.32-11,580.23

Finding the Fourth Proportional to 19,963.73, 27,551.32 and 11,580.23

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Solution

The fourth proportional to 19,963.73, 27,551.32 and 11,580.23 is: 15,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.73 : 27,551.32 = 11,580.23 : x
  2. Step 2: Convert to fraction form
    19,963.73/27,551.32 = 11,580.23/x
  3. Step 3: Cross multiply
    19,963.73x = 27,551.32 × 11,580.23
  4. Step 4: Simplify right side
    19,963.73x = 319,050,662.33
  5. Step 5: Solve for x
    x = 319,050,662.33/19,963.73
  6. Step 6: Final answer
    x = 15,981.51

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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.