Home / 14,862.21-20,511.93-9,198.76

Finding the Fourth Proportional to 14,862.21, 20,511.93 and 9,198.76

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Solution

The fourth proportional to 14,862.21, 20,511.93 and 9,198.76 is: 12,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.21 : 20,511.93 = 9,198.76 : x
  2. Step 2: Convert to fraction form
    14,862.21/20,511.93 = 9,198.76/x
  3. Step 3: Cross multiply
    14,862.21x = 20,511.93 × 9,198.76
  4. Step 4: Simplify right side
    14,862.21x = 188,684,321.21
  5. Step 5: Solve for x
    x = 188,684,321.21/14,862.21
  6. Step 6: Final answer
    x = 12,695.58

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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.