Home / 18,152.03-25,049.85-10,085.78

Finding the Fourth Proportional to 18,152.03, 25,049.85 and 10,085.78

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Solution

The fourth proportional to 18,152.03, 25,049.85 and 10,085.78 is: 13,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.03 : 25,049.85 = 10,085.78 : x
  2. Step 2: Convert to fraction form
    18,152.03/25,049.85 = 10,085.78/x
  3. Step 3: Cross multiply
    18,152.03x = 25,049.85 × 10,085.78
  4. Step 4: Simplify right side
    18,152.03x = 252,647,276.13
  5. Step 5: Solve for x
    x = 252,647,276.13/18,152.03
  6. Step 6: Final answer
    x = 13,918.40

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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.