Home / 27,301.56-40,935.54-12,515.02

Finding the Fourth Proportional to 27,301.56, 40,935.54 and 12,515.02

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Solution

The fourth proportional to 27,301.56, 40,935.54 and 12,515.02 is: 18,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,301.56 : 40,935.54 = 12,515.02 : x
  2. Step 2: Convert to fraction form
    27,301.56/40,935.54 = 12,515.02/x
  3. Step 3: Cross multiply
    27,301.56x = 40,935.54 × 12,515.02
  4. Step 4: Simplify right side
    27,301.56x = 512,309,101.81
  5. Step 5: Solve for x
    x = 512,309,101.81/27,301.56
  6. Step 6: Final answer
    x = 18,764.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.