Home / 19,425.51-29,147.94-12,849.93

Finding the Fourth Proportional to 19,425.51, 29,147.94 and 12,849.93

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Solution

The fourth proportional to 19,425.51, 29,147.94 and 12,849.93 is: 19,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.51 : 29,147.94 = 12,849.93 : x
  2. Step 2: Convert to fraction form
    19,425.51/29,147.94 = 12,849.93/x
  3. Step 3: Cross multiply
    19,425.51x = 29,147.94 × 12,849.93
  4. Step 4: Simplify right side
    19,425.51x = 374,548,988.64
  5. Step 5: Solve for x
    x = 374,548,988.64/19,425.51
  6. Step 6: Final answer
    x = 19,281.29

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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.