Home / 18,970.58-26,180.25-10,906.85

Finding the Fourth Proportional to 18,970.58, 26,180.25 and 10,906.85

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Solution

The fourth proportional to 18,970.58, 26,180.25 and 10,906.85 is: 15,051.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.58 : 26,180.25 = 10,906.85 : x
  2. Step 2: Convert to fraction form
    18,970.58/26,180.25 = 10,906.85/x
  3. Step 3: Cross multiply
    18,970.58x = 26,180.25 × 10,906.85
  4. Step 4: Simplify right side
    18,970.58x = 285,544,130.28
  5. Step 5: Solve for x
    x = 285,544,130.28/18,970.58
  6. Step 6: Final answer
    x = 15,051.94

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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.