Home / 13,627.15-20,419.14-10,514.77

Finding the Fourth Proportional to 13,627.15, 20,419.14 and 10,514.77

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Solution

The fourth proportional to 13,627.15, 20,419.14 and 10,514.77 is: 15,755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.15 : 20,419.14 = 10,514.77 : x
  2. Step 2: Convert to fraction form
    13,627.15/20,419.14 = 10,514.77/x
  3. Step 3: Cross multiply
    13,627.15x = 20,419.14 × 10,514.77
  4. Step 4: Simplify right side
    13,627.15x = 214,702,560.70
  5. Step 5: Solve for x
    x = 214,702,560.70/13,627.15
  6. Step 6: Final answer
    x = 15,755.50

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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.