Home / 27,531.20-37,992.64-14,955.84

Finding the Fourth Proportional to 27,531.20, 37,992.64 and 14,955.84

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Solution

The fourth proportional to 27,531.20, 37,992.64 and 14,955.84 is: 20,638.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531.20 : 37,992.64 = 14,955.84 : x
  2. Step 2: Convert to fraction form
    27,531.20/37,992.64 = 14,955.84/x
  3. Step 3: Cross multiply
    27,531.20x = 37,992.64 × 14,955.84
  4. Step 4: Simplify right side
    27,531.20x = 568,211,845.02
  5. Step 5: Solve for x
    x = 568,211,845.02/27,531.20
  6. Step 6: Final answer
    x = 20,638.83

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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.