Home / 20,549.48-30,824.24-7,402.91

Finding the Fourth Proportional to 20,549.48, 30,824.24 and 7,402.91

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Solution

The fourth proportional to 20,549.48, 30,824.24 and 7,402.91 is: 11,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.48 : 30,824.24 = 7,402.91 : x
  2. Step 2: Convert to fraction form
    20,549.48/30,824.24 = 7,402.91/x
  3. Step 3: Cross multiply
    20,549.48x = 30,824.24 × 7,402.91
  4. Step 4: Simplify right side
    20,549.48x = 228,188,883.40
  5. Step 5: Solve for x
    x = 228,188,883.40/20,549.48
  6. Step 6: Final answer
    x = 11,104.37

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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.