Home / 29,076.03-43,618.68-12,436.20

Finding the Fourth Proportional to 29,076.03, 43,618.68 and 12,436.20

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Solution

The fourth proportional to 29,076.03, 43,618.68 and 12,436.20 is: 18,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,076.03 : 43,618.68 = 12,436.20 : x
  2. Step 2: Convert to fraction form
    29,076.03/43,618.68 = 12,436.20/x
  3. Step 3: Cross multiply
    29,076.03x = 43,618.68 × 12,436.20
  4. Step 4: Simplify right side
    29,076.03x = 542,450,628.22
  5. Step 5: Solve for x
    x = 542,450,628.22/29,076.03
  6. Step 6: Final answer
    x = 18,656.28

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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.