Home / 19,540.17-29,303.67-6,389.46

Finding the Fourth Proportional to 19,540.17, 29,303.67 and 6,389.46

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Solution

The fourth proportional to 19,540.17, 29,303.67 and 6,389.46 is: 9,582.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.17 : 29,303.67 = 6,389.46 : x
  2. Step 2: Convert to fraction form
    19,540.17/29,303.67 = 6,389.46/x
  3. Step 3: Cross multiply
    19,540.17x = 29,303.67 × 6,389.46
  4. Step 4: Simplify right side
    19,540.17x = 187,234,627.32
  5. Step 5: Solve for x
    x = 187,234,627.32/19,540.17
  6. Step 6: Final answer
    x = 9,582.04

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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.