Home / 18,440.54-25,450.10-10,483.96

Finding the Fourth Proportional to 18,440.54, 25,450.10 and 10,483.96

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Solution

The fourth proportional to 18,440.54, 25,450.10 and 10,483.96 is: 14,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.54 : 25,450.10 = 10,483.96 : x
  2. Step 2: Convert to fraction form
    18,440.54/25,450.10 = 10,483.96/x
  3. Step 3: Cross multiply
    18,440.54x = 25,450.10 × 10,483.96
  4. Step 4: Simplify right side
    18,440.54x = 266,817,650.73
  5. Step 5: Solve for x
    x = 266,817,650.73/18,440.54
  6. Step 6: Final answer
    x = 14,469.08

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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.