Home / 20,258.94-27,953.13-12,296.73

Finding the Fourth Proportional to 20,258.94, 27,953.13 and 12,296.73

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Solution

The fourth proportional to 20,258.94, 27,953.13 and 12,296.73 is: 16,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.94 : 27,953.13 = 12,296.73 : x
  2. Step 2: Convert to fraction form
    20,258.94/27,953.13 = 12,296.73/x
  3. Step 3: Cross multiply
    20,258.94x = 27,953.13 × 12,296.73
  4. Step 4: Simplify right side
    20,258.94x = 343,732,092.26
  5. Step 5: Solve for x
    x = 343,732,092.26/20,258.94
  6. Step 6: Final answer
    x = 16,966.93

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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.