Home / 18,514.64-25,551.78-10,554.68

Finding the Fourth Proportional to 18,514.64, 25,551.78 and 10,554.68

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Solution

The fourth proportional to 18,514.64, 25,551.78 and 10,554.68 is: 14,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.64 : 25,551.78 = 10,554.68 : x
  2. Step 2: Convert to fraction form
    18,514.64/25,551.78 = 10,554.68/x
  3. Step 3: Cross multiply
    18,514.64x = 25,551.78 × 10,554.68
  4. Step 4: Simplify right side
    18,514.64x = 269,690,861.33
  5. Step 5: Solve for x
    x = 269,690,861.33/18,514.64
  6. Step 6: Final answer
    x = 14,566.36

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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.