Home / 19,734.79-27,233.01-10,780.54

Finding the Fourth Proportional to 19,734.79, 27,233.01 and 10,780.54

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Solution

The fourth proportional to 19,734.79, 27,233.01 and 10,780.54 is: 14,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.79 : 27,233.01 = 10,780.54 : x
  2. Step 2: Convert to fraction form
    19,734.79/27,233.01 = 10,780.54/x
  3. Step 3: Cross multiply
    19,734.79x = 27,233.01 × 10,780.54
  4. Step 4: Simplify right side
    19,734.79x = 293,586,638.73
  5. Step 5: Solve for x
    x = 293,586,638.73/19,734.79
  6. Step 6: Final answer
    x = 14,876.60

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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.