Home / 18,572.22-27,862.42-6,885.44

Finding the Fourth Proportional to 18,572.22, 27,862.42 and 6,885.44

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Solution

The fourth proportional to 18,572.22, 27,862.42 and 6,885.44 is: 10,329.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.22 : 27,862.42 = 6,885.44 : x
  2. Step 2: Convert to fraction form
    18,572.22/27,862.42 = 6,885.44/x
  3. Step 3: Cross multiply
    18,572.22x = 27,862.42 × 6,885.44
  4. Step 4: Simplify right side
    18,572.22x = 191,844,890.46
  5. Step 5: Solve for x
    x = 191,844,890.46/18,572.22
  6. Step 6: Final answer
    x = 10,329.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.