Home / 30,626.72-42,255.60-17,196.56

Finding the Fourth Proportional to 30,626.72, 42,255.60 and 17,196.56

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Solution

The fourth proportional to 30,626.72, 42,255.60 and 17,196.56 is: 23,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,626.72 : 42,255.60 = 17,196.56 : x
  2. Step 2: Convert to fraction form
    30,626.72/42,255.60 = 17,196.56/x
  3. Step 3: Cross multiply
    30,626.72x = 42,255.60 × 17,196.56
  4. Step 4: Simplify right side
    30,626.72x = 726,650,960.74
  5. Step 5: Solve for x
    x = 726,650,960.74/30,626.72
  6. Step 6: Final answer
    x = 23,726.05

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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.