Home / 22,055.09-30,436.34-11,983.71

Finding the Fourth Proportional to 22,055.09, 30,436.34 and 11,983.71

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Solution

The fourth proportional to 22,055.09, 30,436.34 and 11,983.71 is: 16,537.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055.09 : 30,436.34 = 11,983.71 : x
  2. Step 2: Convert to fraction form
    22,055.09/30,436.34 = 11,983.71/x
  3. Step 3: Cross multiply
    22,055.09x = 30,436.34 × 11,983.71
  4. Step 4: Simplify right side
    22,055.09x = 364,740,212.10
  5. Step 5: Solve for x
    x = 364,740,212.10/22,055.09
  6. Step 6: Final answer
    x = 16,537.69

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Double scale
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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.