Home / 18,431.23-25,435.08-10,047.73

Finding the Fourth Proportional to 18,431.23, 25,435.08 and 10,047.73

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Solution

The fourth proportional to 18,431.23, 25,435.08 and 10,047.73 is: 13,865.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431.23 : 25,435.08 = 10,047.73 : x
  2. Step 2: Convert to fraction form
    18,431.23/25,435.08 = 10,047.73/x
  3. Step 3: Cross multiply
    18,431.23x = 25,435.08 × 10,047.73
  4. Step 4: Simplify right side
    18,431.23x = 255,564,816.37
  5. Step 5: Solve for x
    x = 255,564,816.37/18,431.23
  6. Step 6: Final answer
    x = 13,865.86

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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.