Home / 27,913.92-41,814.31-12,899.70

Finding the Fourth Proportional to 27,913.92, 41,814.31 and 12,899.70

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Solution

The fourth proportional to 27,913.92, 41,814.31 and 12,899.70 is: 19,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,913.92 : 41,814.31 = 12,899.70 : x
  2. Step 2: Convert to fraction form
    27,913.92/41,814.31 = 12,899.70/x
  3. Step 3: Cross multiply
    27,913.92x = 41,814.31 × 12,899.70
  4. Step 4: Simplify right side
    27,913.92x = 539,392,054.71
  5. Step 5: Solve for x
    x = 539,392,054.71/27,913.92
  6. Step 6: Final answer
    x = 19,323.41

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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.