Home / 19,426.41-29,135.27-7,580.49

Finding the Fourth Proportional to 19,426.41, 29,135.27 and 7,580.49

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Solution

The fourth proportional to 19,426.41, 29,135.27 and 7,580.49 is: 11,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.41 : 29,135.27 = 7,580.49 : x
  2. Step 2: Convert to fraction form
    19,426.41/29,135.27 = 7,580.49/x
  3. Step 3: Cross multiply
    19,426.41x = 29,135.27 × 7,580.49
  4. Step 4: Simplify right side
    19,426.41x = 220,859,622.88
  5. Step 5: Solve for x
    x = 220,859,622.88/19,426.41
  6. Step 6: Final answer
    x = 11,369.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.