Home / 17,901.12-26,854.44-9,131.28

Finding the Fourth Proportional to 17,901.12, 26,854.44 and 9,131.28

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Solution

The fourth proportional to 17,901.12, 26,854.44 and 9,131.28 is: 13,698.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,901.12 : 26,854.44 = 9,131.28 : x
  2. Step 2: Convert to fraction form
    17,901.12/26,854.44 = 9,131.28/x
  3. Step 3: Cross multiply
    17,901.12x = 26,854.44 × 9,131.28
  4. Step 4: Simplify right side
    17,901.12x = 245,215,410.88
  5. Step 5: Solve for x
    x = 245,215,410.88/17,901.12
  6. Step 6: Final answer
    x = 13,698.33

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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.