Home / 27,012.48-40,532.94-13,864.86

Finding the Fourth Proportional to 27,012.48, 40,532.94 and 13,864.86

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Solution

The fourth proportional to 27,012.48, 40,532.94 and 13,864.86 is: 20,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,012.48 : 40,532.94 = 13,864.86 : x
  2. Step 2: Convert to fraction form
    27,012.48/40,532.94 = 13,864.86/x
  3. Step 3: Cross multiply
    27,012.48x = 40,532.94 × 13,864.86
  4. Step 4: Simplify right side
    27,012.48x = 561,983,538.49
  5. Step 5: Solve for x
    x = 561,983,538.49/27,012.48
  6. Step 6: Final answer
    x = 20,804.59

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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.