Home / 18,099.07-24,971.29-11,715.55

Finding the Fourth Proportional to 18,099.07, 24,971.29 and 11,715.55

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Solution

The fourth proportional to 18,099.07, 24,971.29 and 11,715.55 is: 16,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.07 : 24,971.29 = 11,715.55 : x
  2. Step 2: Convert to fraction form
    18,099.07/24,971.29 = 11,715.55/x
  3. Step 3: Cross multiply
    18,099.07x = 24,971.29 × 11,715.55
  4. Step 4: Simplify right side
    18,099.07x = 292,552,396.56
  5. Step 5: Solve for x
    x = 292,552,396.56/18,099.07
  6. Step 6: Final answer
    x = 16,163.95

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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.