Home / 18,898.96-26,084.16-12,514.28

Finding the Fourth Proportional to 18,898.96, 26,084.16 and 12,514.28

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Solution

The fourth proportional to 18,898.96, 26,084.16 and 12,514.28 is: 17,272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898.96 : 26,084.16 = 12,514.28 : x
  2. Step 2: Convert to fraction form
    18,898.96/26,084.16 = 12,514.28/x
  3. Step 3: Cross multiply
    18,898.96x = 26,084.16 × 12,514.28
  4. Step 4: Simplify right side
    18,898.96x = 326,424,481.80
  5. Step 5: Solve for x
    x = 326,424,481.80/18,898.96
  6. Step 6: Final answer
    x = 17,272.09

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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.