Home / 19,301.05-26,630.19-11,747.69

Finding the Fourth Proportional to 19,301.05, 26,630.19 and 11,747.69

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Solution

The fourth proportional to 19,301.05, 26,630.19 and 11,747.69 is: 16,208.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.05 : 26,630.19 = 11,747.69 : x
  2. Step 2: Convert to fraction form
    19,301.05/26,630.19 = 11,747.69/x
  3. Step 3: Cross multiply
    19,301.05x = 26,630.19 × 11,747.69
  4. Step 4: Simplify right side
    19,301.05x = 312,843,216.76
  5. Step 5: Solve for x
    x = 312,843,216.76/19,301.05
  6. Step 6: Final answer
    x = 16,208.61

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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.