Home / 20,258.24-27,954.08-11,757.76

Finding the Fourth Proportional to 20,258.24, 27,954.08 and 11,757.76

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Solution

The fourth proportional to 20,258.24, 27,954.08 and 11,757.76 is: 16,224.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.24 : 27,954.08 = 11,757.76 : x
  2. Step 2: Convert to fraction form
    20,258.24/27,954.08 = 11,757.76/x
  3. Step 3: Cross multiply
    20,258.24x = 27,954.08 × 11,757.76
  4. Step 4: Simplify right side
    20,258.24x = 328,677,363.66
  5. Step 5: Solve for x
    x = 328,677,363.66/20,258.24
  6. Step 6: Final answer
    x = 16,224.38

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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.