Home / 18,748.35-25,872.82-10,250.35

Finding the Fourth Proportional to 18,748.35, 25,872.82 and 10,250.35

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Solution

The fourth proportional to 18,748.35, 25,872.82 and 10,250.35 is: 14,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.35 : 25,872.82 = 10,250.35 : x
  2. Step 2: Convert to fraction form
    18,748.35/25,872.82 = 10,250.35/x
  3. Step 3: Cross multiply
    18,748.35x = 25,872.82 × 10,250.35
  4. Step 4: Simplify right side
    18,748.35x = 265,205,370.18
  5. Step 5: Solve for x
    x = 265,205,370.18/18,748.35
  6. Step 6: Final answer
    x = 14,145.53

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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.