Home / 14,120.34-19,486.26-7,747.53

Finding the Fourth Proportional to 14,120.34, 19,486.26 and 7,747.53

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Solution

The fourth proportional to 14,120.34, 19,486.26 and 7,747.53 is: 10,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.34 : 19,486.26 = 7,747.53 : x
  2. Step 2: Convert to fraction form
    14,120.34/19,486.26 = 7,747.53/x
  3. Step 3: Cross multiply
    14,120.34x = 19,486.26 × 7,747.53
  4. Step 4: Simplify right side
    14,120.34x = 150,970,383.94
  5. Step 5: Solve for x
    x = 150,970,383.94/14,120.34
  6. Step 6: Final answer
    x = 10,691.70

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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.