Home / 13,186.26-19,782.72-9,298.26

Finding the Fourth Proportional to 13,186.26, 19,782.72 and 9,298.26

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Solution

The fourth proportional to 13,186.26, 19,782.72 and 9,298.26 is: 13,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186.26 : 19,782.72 = 9,298.26 : x
  2. Step 2: Convert to fraction form
    13,186.26/19,782.72 = 9,298.26/x
  3. Step 3: Cross multiply
    13,186.26x = 19,782.72 × 9,298.26
  4. Step 4: Simplify right side
    13,186.26x = 183,944,874.07
  5. Step 5: Solve for x
    x = 183,944,874.07/13,186.26
  6. Step 6: Final answer
    x = 13,949.74

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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.