Home / 19,558.10-29,339.94-6,407.66

Finding the Fourth Proportional to 19,558.10, 29,339.94 and 6,407.66

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Solution

The fourth proportional to 19,558.10, 29,339.94 and 6,407.66 is: 9,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.10 : 29,339.94 = 6,407.66 : x
  2. Step 2: Convert to fraction form
    19,558.10/29,339.94 = 6,407.66/x
  3. Step 3: Cross multiply
    19,558.10x = 29,339.94 × 6,407.66
  4. Step 4: Simplify right side
    19,558.10x = 188,000,359.94
  5. Step 5: Solve for x
    x = 188,000,359.94/19,558.10
  6. Step 6: Final answer
    x = 9,612.40

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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.