Home / 18,748.08-25,872.90-10,250.70

Finding the Fourth Proportional to 18,748.08, 25,872.90 and 10,250.70

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Solution

The fourth proportional to 18,748.08, 25,872.90 and 10,250.70 is: 14,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.08 : 25,872.90 = 10,250.70 : x
  2. Step 2: Convert to fraction form
    18,748.08/25,872.90 = 10,250.70/x
  3. Step 3: Cross multiply
    18,748.08x = 25,872.90 × 10,250.70
  4. Step 4: Simplify right side
    18,748.08x = 265,215,336.03
  5. Step 5: Solve for x
    x = 265,215,336.03/18,748.08
  6. Step 6: Final answer
    x = 14,146.27

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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.