Home / 19,926.43-29,848.64-14,390.89

Finding the Fourth Proportional to 19,926.43, 29,848.64 and 14,390.89

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Solution

The fourth proportional to 19,926.43, 29,848.64 and 14,390.89 is: 21,556.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.43 : 29,848.64 = 14,390.89 : x
  2. Step 2: Convert to fraction form
    19,926.43/29,848.64 = 14,390.89/x
  3. Step 3: Cross multiply
    19,926.43x = 29,848.64 × 14,390.89
  4. Step 4: Simplify right side
    19,926.43x = 429,548,348.31
  5. Step 5: Solve for x
    x = 429,548,348.31/19,926.43
  6. Step 6: Final answer
    x = 21,556.72

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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.