Home / 14,661.54-20,236.23-12,299.58

Finding the Fourth Proportional to 14,661.54, 20,236.23 and 12,299.58

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Solution

The fourth proportional to 14,661.54, 20,236.23 and 12,299.58 is: 16,976.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.54 : 20,236.23 = 12,299.58 : x
  2. Step 2: Convert to fraction form
    14,661.54/20,236.23 = 12,299.58/x
  3. Step 3: Cross multiply
    14,661.54x = 20,236.23 × 12,299.58
  4. Step 4: Simplify right side
    14,661.54x = 248,897,129.78
  5. Step 5: Solve for x
    x = 248,897,129.78/14,661.54
  6. Step 6: Final answer
    x = 16,976.19

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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.