Home / 18,767.82-25,899.69-10,270.04

Finding the Fourth Proportional to 18,767.82, 25,899.69 and 10,270.04

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Solution

The fourth proportional to 18,767.82, 25,899.69 and 10,270.04 is: 14,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.82 : 25,899.69 = 10,270.04 : x
  2. Step 2: Convert to fraction form
    18,767.82/25,899.69 = 10,270.04/x
  3. Step 3: Cross multiply
    18,767.82x = 25,899.69 × 10,270.04
  4. Step 4: Simplify right side
    18,767.82x = 265,990,722.79
  5. Step 5: Solve for x
    x = 265,990,722.79/18,767.82
  6. Step 6: Final answer
    x = 14,172.70

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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.