Home / 19,865.23-29,770.16-14,929.09

Finding the Fourth Proportional to 19,865.23, 29,770.16 and 14,929.09

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Solution

The fourth proportional to 19,865.23, 29,770.16 and 14,929.09 is: 22,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,865.23 : 29,770.16 = 14,929.09 : x
  2. Step 2: Convert to fraction form
    19,865.23/29,770.16 = 14,929.09/x
  3. Step 3: Cross multiply
    19,865.23x = 29,770.16 × 14,929.09
  4. Step 4: Simplify right side
    19,865.23x = 444,441,248.88
  5. Step 5: Solve for x
    x = 444,441,248.88/19,865.23
  6. Step 6: Final answer
    x = 22,372.82

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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.