Home / 13,733.78-18,933.20-9,753.44

Finding the Fourth Proportional to 13,733.78, 18,933.20 and 9,753.44

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Solution

The fourth proportional to 13,733.78, 18,933.20 and 9,753.44 is: 13,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.78 : 18,933.20 = 9,753.44 : x
  2. Step 2: Convert to fraction form
    13,733.78/18,933.20 = 9,753.44/x
  3. Step 3: Cross multiply
    13,733.78x = 18,933.20 × 9,753.44
  4. Step 4: Simplify right side
    13,733.78x = 184,663,830.21
  5. Step 5: Solve for x
    x = 184,663,830.21/13,733.78
  6. Step 6: Final answer
    x = 13,445.96

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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.