Home / 16,073.88-22,181.85-9,000.42

Finding the Fourth Proportional to 16,073.88, 22,181.85 and 9,000.42

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Solution

The fourth proportional to 16,073.88, 22,181.85 and 9,000.42 is: 12,420.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,073.88 : 22,181.85 = 9,000.42 : x
  2. Step 2: Convert to fraction form
    16,073.88/22,181.85 = 9,000.42/x
  3. Step 3: Cross multiply
    16,073.88x = 22,181.85 × 9,000.42
  4. Step 4: Simplify right side
    16,073.88x = 199,645,966.38
  5. Step 5: Solve for x
    x = 199,645,966.38/16,073.88
  6. Step 6: Final answer
    x = 12,420.52

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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.