Home / 16,538.19-22,815.14-11,514.75

Finding the Fourth Proportional to 16,538.19, 22,815.14 and 11,514.75

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Solution

The fourth proportional to 16,538.19, 22,815.14 and 11,514.75 is: 15,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,538.19 : 22,815.14 = 11,514.75 : x
  2. Step 2: Convert to fraction form
    16,538.19/22,815.14 = 11,514.75/x
  3. Step 3: Cross multiply
    16,538.19x = 22,815.14 × 11,514.75
  4. Step 4: Simplify right side
    16,538.19x = 262,710,633.32
  5. Step 5: Solve for x
    x = 262,710,633.32/16,538.19
  6. Step 6: Final answer
    x = 15,885.09

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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.