Home / 18,492.12-25,519.11-10,108.62

Finding the Fourth Proportional to 18,492.12, 25,519.11 and 10,108.62

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Solution

The fourth proportional to 18,492.12, 25,519.11 and 10,108.62 is: 13,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.12 : 25,519.11 = 10,108.62 : x
  2. Step 2: Convert to fraction form
    18,492.12/25,519.11 = 10,108.62/x
  3. Step 3: Cross multiply
    18,492.12x = 25,519.11 × 10,108.62
  4. Step 4: Simplify right side
    18,492.12x = 257,962,985.73
  5. Step 5: Solve for x
    x = 257,962,985.73/18,492.12
  6. Step 6: Final answer
    x = 13,949.89

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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.