Home / 19,503.33-26,906.05-11,432.90

Finding the Fourth Proportional to 19,503.33, 26,906.05 and 11,432.90

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Solution

The fourth proportional to 19,503.33, 26,906.05 and 11,432.90 is: 15,772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.33 : 26,906.05 = 11,432.90 : x
  2. Step 2: Convert to fraction form
    19,503.33/26,906.05 = 11,432.90/x
  3. Step 3: Cross multiply
    19,503.33x = 26,906.05 × 11,432.90
  4. Step 4: Simplify right side
    19,503.33x = 307,614,179.05
  5. Step 5: Solve for x
    x = 307,614,179.05/19,503.33
  6. Step 6: Final answer
    x = 15,772.39

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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.