Home / 20,248.93-27,961.10-12,708.33

Finding the Fourth Proportional to 20,248.93, 27,961.10 and 12,708.33

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Solution

The fourth proportional to 20,248.93, 27,961.10 and 12,708.33 is: 17,548.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.93 : 27,961.10 = 12,708.33 : x
  2. Step 2: Convert to fraction form
    20,248.93/27,961.10 = 12,708.33/x
  3. Step 3: Cross multiply
    20,248.93x = 27,961.10 × 12,708.33
  4. Step 4: Simplify right side
    20,248.93x = 355,338,885.96
  5. Step 5: Solve for x
    x = 355,338,885.96/20,248.93
  6. Step 6: Final answer
    x = 17,548.53

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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.