Home / 19,539.24-29,307.92-6,389.88

Finding the Fourth Proportional to 19,539.24, 29,307.92 and 6,389.88

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Solution

The fourth proportional to 19,539.24, 29,307.92 and 6,389.88 is: 9,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.24 : 29,307.92 = 6,389.88 : x
  2. Step 2: Convert to fraction form
    19,539.24/29,307.92 = 6,389.88/x
  3. Step 3: Cross multiply
    19,539.24x = 29,307.92 × 6,389.88
  4. Step 4: Simplify right side
    19,539.24x = 187,274,059.90
  5. Step 5: Solve for x
    x = 187,274,059.90/19,539.24
  6. Step 6: Final answer
    x = 9,584.51

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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.