Home / 16,514.68-22,779.78-11,218.64

Finding the Fourth Proportional to 16,514.68, 22,779.78 and 11,218.64

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Solution

The fourth proportional to 16,514.68, 22,779.78 and 11,218.64 is: 15,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,514.68 : 22,779.78 = 11,218.64 : x
  2. Step 2: Convert to fraction form
    16,514.68/22,779.78 = 11,218.64/x
  3. Step 3: Cross multiply
    16,514.68x = 22,779.78 × 11,218.64
  4. Step 4: Simplify right side
    16,514.68x = 255,558,151.10
  5. Step 5: Solve for x
    x = 255,558,151.10/16,514.68
  6. Step 6: Final answer
    x = 15,474.61

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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.