Home / 22,383.33-30,886.97-12,312.19

Finding the Fourth Proportional to 22,383.33, 30,886.97 and 12,312.19

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Solution

The fourth proportional to 22,383.33, 30,886.97 and 12,312.19 is: 16,989.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,383.33 : 30,886.97 = 12,312.19 : x
  2. Step 2: Convert to fraction form
    22,383.33/30,886.97 = 12,312.19/x
  3. Step 3: Cross multiply
    22,383.33x = 30,886.97 × 12,312.19
  4. Step 4: Simplify right side
    22,383.33x = 380,286,243.16
  5. Step 5: Solve for x
    x = 380,286,243.16/22,383.33
  6. Step 6: Final answer
    x = 16,989.71

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Half scale
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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.