Home / 14,418.89-19,898.16-8,045.87

Finding the Fourth Proportional to 14,418.89, 19,898.16 and 8,045.87

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Solution

The fourth proportional to 14,418.89, 19,898.16 and 8,045.87 is: 11,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.89 : 19,898.16 = 8,045.87 : x
  2. Step 2: Convert to fraction form
    14,418.89/19,898.16 = 8,045.87/x
  3. Step 3: Cross multiply
    14,418.89x = 19,898.16 × 8,045.87
  4. Step 4: Simplify right side
    14,418.89x = 160,098,008.60
  5. Step 5: Solve for x
    x = 160,098,008.60/14,418.89
  6. Step 6: Final answer
    x = 11,103.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.