Home / 20,252.91-27,947.73-11,301

Finding the Fourth Proportional to 20,252.91, 27,947.73 and 11,301

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Solution

The fourth proportional to 20,252.91, 27,947.73 and 11,301 is: 15,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.91 : 27,947.73 = 11,301 : x
  2. Step 2: Convert to fraction form
    20,252.91/27,947.73 = 11,301/x
  3. Step 3: Cross multiply
    20,252.91x = 27,947.73 × 11,301
  4. Step 4: Simplify right side
    20,252.91x = 315,837,296.73
  5. Step 5: Solve for x
    x = 315,837,296.73/20,252.91
  6. Step 6: Final answer
    x = 15,594.66

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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.