Home / 19,671.14-27,146.20-11,713.64

Finding the Fourth Proportional to 19,671.14, 27,146.20 and 11,713.64

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Solution

The fourth proportional to 19,671.14, 27,146.20 and 11,713.64 is: 16,164.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.14 : 27,146.20 = 11,713.64 : x
  2. Step 2: Convert to fraction form
    19,671.14/27,146.20 = 11,713.64/x
  3. Step 3: Cross multiply
    19,671.14x = 27,146.20 × 11,713.64
  4. Step 4: Simplify right side
    19,671.14x = 317,980,814.17
  5. Step 5: Solve for x
    x = 317,980,814.17/19,671.14
  6. Step 6: Final answer
    x = 16,164.84

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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.