Home / 19,898.10-29,836.88-5,856.30

Finding the Fourth Proportional to 19,898.10, 29,836.88 and 5,856.30

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Solution

The fourth proportional to 19,898.10, 29,836.88 and 5,856.30 is: 8,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.10 : 29,836.88 = 5,856.30 : x
  2. Step 2: Convert to fraction form
    19,898.10/29,836.88 = 5,856.30/x
  3. Step 3: Cross multiply
    19,898.10x = 29,836.88 × 5,856.30
  4. Step 4: Simplify right side
    19,898.10x = 174,733,691.06
  5. Step 5: Solve for x
    x = 174,733,691.06/19,898.10
  6. Step 6: Final answer
    x = 8,781.43

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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.