Home / 19,187.73-26,479.11-11,122.94

Finding the Fourth Proportional to 19,187.73, 26,479.11 and 11,122.94

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Solution

The fourth proportional to 19,187.73, 26,479.11 and 11,122.94 is: 15,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.73 : 26,479.11 = 11,122.94 : x
  2. Step 2: Convert to fraction form
    19,187.73/26,479.11 = 11,122.94/x
  3. Step 3: Cross multiply
    19,187.73x = 26,479.11 × 11,122.94
  4. Step 4: Simplify right side
    19,187.73x = 294,525,551.78
  5. Step 5: Solve for x
    x = 294,525,551.78/19,187.73
  6. Step 6: Final answer
    x = 15,349.68

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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.