Home / 23,164.14-31,952.25-20,187.12

Finding the Fourth Proportional to 23,164.14, 31,952.25 and 20,187.12

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Solution

The fourth proportional to 23,164.14, 31,952.25 and 20,187.12 is: 27,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,164.14 : 31,952.25 = 20,187.12 : x
  2. Step 2: Convert to fraction form
    23,164.14/31,952.25 = 20,187.12/x
  3. Step 3: Cross multiply
    23,164.14x = 31,952.25 × 20,187.12
  4. Step 4: Simplify right side
    23,164.14x = 645,023,905.02
  5. Step 5: Solve for x
    x = 645,023,905.02/23,164.14
  6. Step 6: Final answer
    x = 27,845.80

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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.