Home / 28,108.82-38,808.11-17,514.02

Finding the Fourth Proportional to 28,108.82, 38,808.11 and 17,514.02

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Solution

The fourth proportional to 28,108.82, 38,808.11 and 17,514.02 is: 24,180.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,108.82 : 38,808.11 = 17,514.02 : x
  2. Step 2: Convert to fraction form
    28,108.82/38,808.11 = 17,514.02/x
  3. Step 3: Cross multiply
    28,108.82x = 38,808.11 × 17,514.02
  4. Step 4: Simplify right side
    28,108.82x = 679,686,014.70
  5. Step 5: Solve for x
    x = 679,686,014.70/28,108.82
  6. Step 6: Final answer
    x = 24,180.52

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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.