Home / 18,302.09-25,257.75-10,748.75

Finding the Fourth Proportional to 18,302.09, 25,257.75 and 10,748.75

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Solution

The fourth proportional to 18,302.09, 25,257.75 and 10,748.75 is: 14,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302.09 : 25,257.75 = 10,748.75 : x
  2. Step 2: Convert to fraction form
    18,302.09/25,257.75 = 10,748.75/x
  3. Step 3: Cross multiply
    18,302.09x = 25,257.75 × 10,748.75
  4. Step 4: Simplify right side
    18,302.09x = 271,489,240.31
  5. Step 5: Solve for x
    x = 271,489,240.31/18,302.09
  6. Step 6: Final answer
    x = 14,833.78

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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.