Home / 18,922.39-26,111.75-10,963.24

Finding the Fourth Proportional to 18,922.39, 26,111.75 and 10,963.24

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Solution

The fourth proportional to 18,922.39, 26,111.75 and 10,963.24 is: 15,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.39 : 26,111.75 = 10,963.24 : x
  2. Step 2: Convert to fraction form
    18,922.39/26,111.75 = 10,963.24/x
  3. Step 3: Cross multiply
    18,922.39x = 26,111.75 × 10,963.24
  4. Step 4: Simplify right side
    18,922.39x = 286,269,382.07
  5. Step 5: Solve for x
    x = 286,269,382.07/18,922.39
  6. Step 6: Final answer
    x = 15,128.61

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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.