Home / 13,941.29-19,230.52-8,272.30

Finding the Fourth Proportional to 13,941.29, 19,230.52 and 8,272.30

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Solution

The fourth proportional to 13,941.29, 19,230.52 and 8,272.30 is: 11,410.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.29 : 19,230.52 = 8,272.30 : x
  2. Step 2: Convert to fraction form
    13,941.29/19,230.52 = 8,272.30/x
  3. Step 3: Cross multiply
    13,941.29x = 19,230.52 × 8,272.30
  4. Step 4: Simplify right side
    13,941.29x = 159,080,493.08
  5. Step 5: Solve for x
    x = 159,080,493.08/13,941.29
  6. Step 6: Final answer
    x = 11,410.75

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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.