Home / 13,941.62-19,236.55-8,275.58

Finding the Fourth Proportional to 13,941.62, 19,236.55 and 8,275.58

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Solution

The fourth proportional to 13,941.62, 19,236.55 and 8,275.58 is: 11,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.62 : 19,236.55 = 8,275.58 : x
  2. Step 2: Convert to fraction form
    13,941.62/19,236.55 = 8,275.58/x
  3. Step 3: Cross multiply
    13,941.62x = 19,236.55 × 8,275.58
  4. Step 4: Simplify right side
    13,941.62x = 159,193,608.45
  5. Step 5: Solve for x
    x = 159,193,608.45/13,941.62
  6. Step 6: Final answer
    x = 11,418.59

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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.