Home / 19,440.30-29,161.67-7,753.22

Finding the Fourth Proportional to 19,440.30, 29,161.67 and 7,753.22

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Solution

The fourth proportional to 19,440.30, 29,161.67 and 7,753.22 is: 11,630.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.30 : 29,161.67 = 7,753.22 : x
  2. Step 2: Convert to fraction form
    19,440.30/29,161.67 = 7,753.22/x
  3. Step 3: Cross multiply
    19,440.30x = 29,161.67 × 7,753.22
  4. Step 4: Simplify right side
    19,440.30x = 226,096,811.47
  5. Step 5: Solve for x
    x = 226,096,811.47/19,440.30
  6. Step 6: Final answer
    x = 11,630.31

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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.