Home / 18,348.84-25,321.74-10,391.04

Finding the Fourth Proportional to 18,348.84, 25,321.74 and 10,391.04

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Solution

The fourth proportional to 18,348.84, 25,321.74 and 10,391.04 is: 14,339.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.84 : 25,321.74 = 10,391.04 : x
  2. Step 2: Convert to fraction form
    18,348.84/25,321.74 = 10,391.04/x
  3. Step 3: Cross multiply
    18,348.84x = 25,321.74 × 10,391.04
  4. Step 4: Simplify right side
    18,348.84x = 263,119,213.21
  5. Step 5: Solve for x
    x = 263,119,213.21/18,348.84
  6. Step 6: Final answer
    x = 14,339.83

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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.