Home / 18,429.37-25,424.65-12,044.89

Finding the Fourth Proportional to 18,429.37, 25,424.65 and 12,044.89

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Solution

The fourth proportional to 18,429.37, 25,424.65 and 12,044.89 is: 16,616.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.37 : 25,424.65 = 12,044.89 : x
  2. Step 2: Convert to fraction form
    18,429.37/25,424.65 = 12,044.89/x
  3. Step 3: Cross multiply
    18,429.37x = 25,424.65 × 12,044.89
  4. Step 4: Simplify right side
    18,429.37x = 306,237,016.36
  5. Step 5: Solve for x
    x = 306,237,016.36/18,429.37
  6. Step 6: Final answer
    x = 16,616.79

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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.