Home / 19,609.61-29,397.98-13,669.07

Finding the Fourth Proportional to 19,609.61, 29,397.98 and 13,669.07

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Solution

The fourth proportional to 19,609.61, 29,397.98 and 13,669.07 is: 20,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.61 : 29,397.98 = 13,669.07 : x
  2. Step 2: Convert to fraction form
    19,609.61/29,397.98 = 13,669.07/x
  3. Step 3: Cross multiply
    19,609.61x = 29,397.98 × 13,669.07
  4. Step 4: Simplify right side
    19,609.61x = 401,843,046.48
  5. Step 5: Solve for x
    x = 401,843,046.48/19,609.61
  6. Step 6: Final answer
    x = 20,492.15

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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.