Home / 27,784.27-41,675.46-12,972.88

Finding the Fourth Proportional to 27,784.27, 41,675.46 and 12,972.88

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Solution

The fourth proportional to 27,784.27, 41,675.46 and 12,972.88 is: 19,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,784.27 : 41,675.46 = 12,972.88 : x
  2. Step 2: Convert to fraction form
    27,784.27/41,675.46 = 12,972.88/x
  3. Step 3: Cross multiply
    27,784.27x = 41,675.46 × 12,972.88
  4. Step 4: Simplify right side
    27,784.27x = 540,650,741.52
  5. Step 5: Solve for x
    x = 540,650,741.52/27,784.27
  6. Step 6: Final answer
    x = 19,458.88

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1.5x scale

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.