Home / 18,442.54-25,452.86-10,485.96

Finding the Fourth Proportional to 18,442.54, 25,452.86 and 10,485.96

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Solution

The fourth proportional to 18,442.54, 25,452.86 and 10,485.96 is: 14,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.54 : 25,452.86 = 10,485.96 : x
  2. Step 2: Convert to fraction form
    18,442.54/25,452.86 = 10,485.96/x
  3. Step 3: Cross multiply
    18,442.54x = 25,452.86 × 10,485.96
  4. Step 4: Simplify right side
    18,442.54x = 266,897,671.85
  5. Step 5: Solve for x
    x = 266,897,671.85/18,442.54
  6. Step 6: Final answer
    x = 14,471.85

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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.