Home / 18,433.80-25,431.48-10,474.92

Finding the Fourth Proportional to 18,433.80, 25,431.48 and 10,474.92

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Solution

The fourth proportional to 18,433.80, 25,431.48 and 10,474.92 is: 14,451.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.80 : 25,431.48 = 10,474.92 : x
  2. Step 2: Convert to fraction form
    18,433.80/25,431.48 = 10,474.92/x
  3. Step 3: Cross multiply
    18,433.80x = 25,431.48 × 10,474.92
  4. Step 4: Simplify right side
    18,433.80x = 266,392,718.48
  5. Step 5: Solve for x
    x = 266,392,718.48/18,433.80
  6. Step 6: Final answer
    x = 14,451.32

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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.