Home / 18,514.34-25,523.20-13,199.93

Finding the Fourth Proportional to 18,514.34, 25,523.20 and 13,199.93

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Solution

The fourth proportional to 18,514.34, 25,523.20 and 13,199.93 is: 18,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.34 : 25,523.20 = 13,199.93 : x
  2. Step 2: Convert to fraction form
    18,514.34/25,523.20 = 13,199.93/x
  3. Step 3: Cross multiply
    18,514.34x = 25,523.20 × 13,199.93
  4. Step 4: Simplify right side
    18,514.34x = 336,904,437.97
  5. Step 5: Solve for x
    x = 336,904,437.97/18,514.34
  6. Step 6: Final answer
    x = 18,196.95

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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.