Home / 18,348.98-25,321.67-10,392.75

Finding the Fourth Proportional to 18,348.98, 25,321.67 and 10,392.75

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Solution

The fourth proportional to 18,348.98, 25,321.67 and 10,392.75 is: 14,342.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.98 : 25,321.67 = 10,392.75 : x
  2. Step 2: Convert to fraction form
    18,348.98/25,321.67 = 10,392.75/x
  3. Step 3: Cross multiply
    18,348.98x = 25,321.67 × 10,392.75
  4. Step 4: Simplify right side
    18,348.98x = 263,161,733.93
  5. Step 5: Solve for x
    x = 263,161,733.93/18,348.98
  6. Step 6: Final answer
    x = 14,342.04

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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.