Home / 19,571.24-29,359.20-6,425.12

Finding the Fourth Proportional to 19,571.24, 29,359.20 and 6,425.12

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Solution

The fourth proportional to 19,571.24, 29,359.20 and 6,425.12 is: 9,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.24 : 29,359.20 = 6,425.12 : x
  2. Step 2: Convert to fraction form
    19,571.24/29,359.20 = 6,425.12/x
  3. Step 3: Cross multiply
    19,571.24x = 29,359.20 × 6,425.12
  4. Step 4: Simplify right side
    19,571.24x = 188,636,383.10
  5. Step 5: Solve for x
    x = 188,636,383.10/19,571.24
  6. Step 6: Final answer
    x = 9,638.45

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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.