Home / 20,036.46-27,650.34-10,961.94

Finding the Fourth Proportional to 20,036.46, 27,650.34 and 10,961.94

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Solution

The fourth proportional to 20,036.46, 27,650.34 and 10,961.94 is: 15,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.46 : 27,650.34 = 10,961.94 : x
  2. Step 2: Convert to fraction form
    20,036.46/27,650.34 = 10,961.94/x
  3. Step 3: Cross multiply
    20,036.46x = 27,650.34 × 10,961.94
  4. Step 4: Simplify right side
    20,036.46x = 303,101,368.06
  5. Step 5: Solve for x
    x = 303,101,368.06/20,036.46
  6. Step 6: Final answer
    x = 15,127.49

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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.