Home / 27,453.76-41,148.80-12,631.56

Finding the Fourth Proportional to 27,453.76, 41,148.80 and 12,631.56

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Solution

The fourth proportional to 27,453.76, 41,148.80 and 12,631.56 is: 18,932.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,453.76 : 41,148.80 = 12,631.56 : x
  2. Step 2: Convert to fraction form
    27,453.76/41,148.80 = 12,631.56/x
  3. Step 3: Cross multiply
    27,453.76x = 41,148.80 × 12,631.56
  4. Step 4: Simplify right side
    27,453.76x = 519,773,536.13
  5. Step 5: Solve for x
    x = 519,773,536.13/27,453.76
  6. Step 6: Final answer
    x = 18,932.69

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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.