Home / 18,057.07-24,922.20-12,099.12

Finding the Fourth Proportional to 18,057.07, 24,922.20 and 12,099.12

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Solution

The fourth proportional to 18,057.07, 24,922.20 and 12,099.12 is: 16,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.07 : 24,922.20 = 12,099.12 : x
  2. Step 2: Convert to fraction form
    18,057.07/24,922.20 = 12,099.12/x
  3. Step 3: Cross multiply
    18,057.07x = 24,922.20 × 12,099.12
  4. Step 4: Simplify right side
    18,057.07x = 301,536,688.46
  5. Step 5: Solve for x
    x = 301,536,688.46/18,057.07
  6. Step 6: Final answer
    x = 16,699.09

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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.