Home / 20,004.20-27,606.36-10,930.16

Finding the Fourth Proportional to 20,004.20, 27,606.36 and 10,930.16

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Solution

The fourth proportional to 20,004.20, 27,606.36 and 10,930.16 is: 15,083.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.20 : 27,606.36 = 10,930.16 : x
  2. Step 2: Convert to fraction form
    20,004.20/27,606.36 = 10,930.16/x
  3. Step 3: Cross multiply
    20,004.20x = 27,606.36 × 10,930.16
  4. Step 4: Simplify right side
    20,004.20x = 301,741,931.82
  5. Step 5: Solve for x
    x = 301,741,931.82/20,004.20
  6. Step 6: Final answer
    x = 15,083.93

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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.