Home / 22,936.56-31,659.18-14,979.99

Finding the Fourth Proportional to 22,936.56, 31,659.18 and 14,979.99

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Solution

The fourth proportional to 22,936.56, 31,659.18 and 14,979.99 is: 20,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,936.56 : 31,659.18 = 14,979.99 : x
  2. Step 2: Convert to fraction form
    22,936.56/31,659.18 = 14,979.99/x
  3. Step 3: Cross multiply
    22,936.56x = 31,659.18 × 14,979.99
  4. Step 4: Simplify right side
    22,936.56x = 474,254,199.81
  5. Step 5: Solve for x
    x = 474,254,199.81/22,936.56
  6. Step 6: Final answer
    x = 20,676.78

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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.