Home / 18,964.62-26,180.28-11,005.56

Finding the Fourth Proportional to 18,964.62, 26,180.28 and 11,005.56

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Solution

The fourth proportional to 18,964.62, 26,180.28 and 11,005.56 is: 15,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.62 : 26,180.28 = 11,005.56 : x
  2. Step 2: Convert to fraction form
    18,964.62/26,180.28 = 11,005.56/x
  3. Step 3: Cross multiply
    18,964.62x = 26,180.28 × 11,005.56
  4. Step 4: Simplify right side
    18,964.62x = 288,128,642.36
  5. Step 5: Solve for x
    x = 288,128,642.36/18,964.62
  6. Step 6: Final answer
    x = 15,192.96

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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.