Home / 14,600.69-20,149.35-8,935.32

Finding the Fourth Proportional to 14,600.69, 20,149.35 and 8,935.32

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Solution

The fourth proportional to 14,600.69, 20,149.35 and 8,935.32 is: 12,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,600.69 : 20,149.35 = 8,935.32 : x
  2. Step 2: Convert to fraction form
    14,600.69/20,149.35 = 8,935.32/x
  3. Step 3: Cross multiply
    14,600.69x = 20,149.35 × 8,935.32
  4. Step 4: Simplify right side
    14,600.69x = 180,040,932.09
  5. Step 5: Solve for x
    x = 180,040,932.09/14,600.69
  6. Step 6: Final answer
    x = 12,330.99

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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.