Home / 19,424.52-29,140.92-11,108.52

Finding the Fourth Proportional to 19,424.52, 29,140.92 and 11,108.52

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Solution

The fourth proportional to 19,424.52, 29,140.92 and 11,108.52 is: 16,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.52 : 29,140.92 = 11,108.52 : x
  2. Step 2: Convert to fraction form
    19,424.52/29,140.92 = 11,108.52/x
  3. Step 3: Cross multiply
    19,424.52x = 29,140.92 × 11,108.52
  4. Step 4: Simplify right side
    19,424.52x = 323,712,492.64
  5. Step 5: Solve for x
    x = 323,712,492.64/19,424.52
  6. Step 6: Final answer
    x = 16,665.15

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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.