Home / 20,119.03-30,181.73-6,077.32

Finding the Fourth Proportional to 20,119.03, 30,181.73 and 6,077.32

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Solution

The fourth proportional to 20,119.03, 30,181.73 and 6,077.32 is: 9,116.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.03 : 30,181.73 = 6,077.32 : x
  2. Step 2: Convert to fraction form
    20,119.03/30,181.73 = 6,077.32/x
  3. Step 3: Cross multiply
    20,119.03x = 30,181.73 × 6,077.32
  4. Step 4: Simplify right side
    20,119.03x = 183,423,891.63
  5. Step 5: Solve for x
    x = 183,423,891.63/20,119.03
  6. Step 6: Final answer
    x = 9,116.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.