Home / 19,165.20-26,448.18-11,205.88

Finding the Fourth Proportional to 19,165.20, 26,448.18 and 11,205.88

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Solution

The fourth proportional to 19,165.20, 26,448.18 and 11,205.88 is: 15,464.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.20 : 26,448.18 = 11,205.88 : x
  2. Step 2: Convert to fraction form
    19,165.20/26,448.18 = 11,205.88/x
  3. Step 3: Cross multiply
    19,165.20x = 26,448.18 × 11,205.88
  4. Step 4: Simplify right side
    19,165.20x = 296,375,131.30
  5. Step 5: Solve for x
    x = 296,375,131.30/19,165.20
  6. Step 6: Final answer
    x = 15,464.23

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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.