Home / 13,363.47-20,045.94-11,402.82

Finding the Fourth Proportional to 13,363.47, 20,045.94 and 11,402.82

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Solution

The fourth proportional to 13,363.47, 20,045.94 and 11,402.82 is: 17,104.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.47 : 20,045.94 = 11,402.82 : x
  2. Step 2: Convert to fraction form
    13,363.47/20,045.94 = 11,402.82/x
  3. Step 3: Cross multiply
    13,363.47x = 20,045.94 × 11,402.82
  4. Step 4: Simplify right side
    13,363.47x = 228,580,245.55
  5. Step 5: Solve for x
    x = 228,580,245.55/13,363.47
  6. Step 6: Final answer
    x = 17,104.86

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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.