Home / 18,536.14-25,591.49-14,279.19

Finding the Fourth Proportional to 18,536.14, 25,591.49 and 14,279.19

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Solution

The fourth proportional to 18,536.14, 25,591.49 and 14,279.19 is: 19,714.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.14 : 25,591.49 = 14,279.19 : x
  2. Step 2: Convert to fraction form
    18,536.14/25,591.49 = 14,279.19/x
  3. Step 3: Cross multiply
    18,536.14x = 25,591.49 × 14,279.19
  4. Step 4: Simplify right side
    18,536.14x = 365,425,714.60
  5. Step 5: Solve for x
    x = 365,425,714.60/18,536.14
  6. Step 6: Final answer
    x = 19,714.23

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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.