Home / 18,910.82-26,100.09-10,957.88

Finding the Fourth Proportional to 18,910.82, 26,100.09 and 10,957.88

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Solution

The fourth proportional to 18,910.82, 26,100.09 and 10,957.88 is: 15,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.82 : 26,100.09 = 10,957.88 : x
  2. Step 2: Convert to fraction form
    18,910.82/26,100.09 = 10,957.88/x
  3. Step 3: Cross multiply
    18,910.82x = 26,100.09 × 10,957.88
  4. Step 4: Simplify right side
    18,910.82x = 286,001,523.71
  5. Step 5: Solve for x
    x = 286,001,523.71/18,910.82
  6. Step 6: Final answer
    x = 15,123.70

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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.