Home / 22,650.35-31,258.52-12,578.83

Finding the Fourth Proportional to 22,650.35, 31,258.52 and 12,578.83

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Solution

The fourth proportional to 22,650.35, 31,258.52 and 12,578.83 is: 17,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,650.35 : 31,258.52 = 12,578.83 : x
  2. Step 2: Convert to fraction form
    22,650.35/31,258.52 = 12,578.83/x
  3. Step 3: Cross multiply
    22,650.35x = 31,258.52 × 12,578.83
  4. Step 4: Simplify right side
    22,650.35x = 393,195,667.51
  5. Step 5: Solve for x
    x = 393,195,667.51/22,650.35
  6. Step 6: Final answer
    x = 17,359.37

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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.