Home / 18,866.52-26,028.54-12,151.62

Finding the Fourth Proportional to 18,866.52, 26,028.54 and 12,151.62

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Solution

The fourth proportional to 18,866.52, 26,028.54 and 12,151.62 is: 16,764.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.52 : 26,028.54 = 12,151.62 : x
  2. Step 2: Convert to fraction form
    18,866.52/26,028.54 = 12,151.62/x
  3. Step 3: Cross multiply
    18,866.52x = 26,028.54 × 12,151.62
  4. Step 4: Simplify right side
    18,866.52x = 316,288,927.23
  5. Step 5: Solve for x
    x = 316,288,927.23/18,866.52
  6. Step 6: Final answer
    x = 16,764.56

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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.