Home / 14,932.14-20,606.16-8,218.05

Finding the Fourth Proportional to 14,932.14, 20,606.16 and 8,218.05

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Solution

The fourth proportional to 14,932.14, 20,606.16 and 8,218.05 is: 11,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,932.14 : 20,606.16 = 8,218.05 : x
  2. Step 2: Convert to fraction form
    14,932.14/20,606.16 = 8,218.05/x
  3. Step 3: Cross multiply
    14,932.14x = 20,606.16 × 8,218.05
  4. Step 4: Simplify right side
    14,932.14x = 169,342,453.19
  5. Step 5: Solve for x
    x = 169,342,453.19/14,932.14
  6. Step 6: Final answer
    x = 11,340.80

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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.