Home / 14,862.07-20,511.76-9,198.64

Finding the Fourth Proportional to 14,862.07, 20,511.76 and 9,198.64

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Solution

The fourth proportional to 14,862.07, 20,511.76 and 9,198.64 is: 12,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.07 : 20,511.76 = 9,198.64 : x
  2. Step 2: Convert to fraction form
    14,862.07/20,511.76 = 9,198.64/x
  3. Step 3: Cross multiply
    14,862.07x = 20,511.76 × 9,198.64
  4. Step 4: Simplify right side
    14,862.07x = 188,680,296.01
  5. Step 5: Solve for x
    x = 188,680,296.01/14,862.07
  6. Step 6: Final answer
    x = 12,695.43

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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.