Home / 12,152.33-18,228.48-9,383.04

Finding the Fourth Proportional to 12,152.33, 18,228.48 and 9,383.04

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Solution

The fourth proportional to 12,152.33, 18,228.48 and 9,383.04 is: 14,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.33 : 18,228.48 = 9,383.04 : x
  2. Step 2: Convert to fraction form
    12,152.33/18,228.48 = 9,383.04/x
  3. Step 3: Cross multiply
    12,152.33x = 18,228.48 × 9,383.04
  4. Step 4: Simplify right side
    12,152.33x = 171,038,556.98
  5. Step 5: Solve for x
    x = 171,038,556.98/12,152.33
  6. Step 6: Final answer
    x = 14,074.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.