Home / 19,956.70-27,542.75-11,461.49

Finding the Fourth Proportional to 19,956.70, 27,542.75 and 11,461.49

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Solution

The fourth proportional to 19,956.70, 27,542.75 and 11,461.49 is: 15,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.70 : 27,542.75 = 11,461.49 : x
  2. Step 2: Convert to fraction form
    19,956.70/27,542.75 = 11,461.49/x
  3. Step 3: Cross multiply
    19,956.70x = 27,542.75 × 11,461.49
  4. Step 4: Simplify right side
    19,956.70x = 315,680,953.70
  5. Step 5: Solve for x
    x = 315,680,953.70/19,956.70
  6. Step 6: Final answer
    x = 15,818.29

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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.