Home / 13,611.68-18,799.97-10,895.67

Finding the Fourth Proportional to 13,611.68, 18,799.97 and 10,895.67

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Solution

The fourth proportional to 13,611.68, 18,799.97 and 10,895.67 is: 15,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611.68 : 18,799.97 = 10,895.67 : x
  2. Step 2: Convert to fraction form
    13,611.68/18,799.97 = 10,895.67/x
  3. Step 3: Cross multiply
    13,611.68x = 18,799.97 × 10,895.67
  4. Step 4: Simplify right side
    13,611.68x = 204,838,269.13
  5. Step 5: Solve for x
    x = 204,838,269.13/13,611.68
  6. Step 6: Final answer
    x = 15,048.71

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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.