Home / 18,896.58-26,077.68-10,399.14

Finding the Fourth Proportional to 18,896.58, 26,077.68 and 10,399.14

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Solution

The fourth proportional to 18,896.58, 26,077.68 and 10,399.14 is: 14,351.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.58 : 26,077.68 = 10,399.14 : x
  2. Step 2: Convert to fraction form
    18,896.58/26,077.68 = 10,399.14/x
  3. Step 3: Cross multiply
    18,896.58x = 26,077.68 × 10,399.14
  4. Step 4: Simplify right side
    18,896.58x = 271,185,445.20
  5. Step 5: Solve for x
    x = 271,185,445.20/18,896.58
  6. Step 6: Final answer
    x = 14,351.03

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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.