Home / 19,948.80-29,918.40-6,097.92

Finding the Fourth Proportional to 19,948.80, 29,918.40 and 6,097.92

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Solution

The fourth proportional to 19,948.80, 29,918.40 and 6,097.92 is: 9,145.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.80 : 29,918.40 = 6,097.92 : x
  2. Step 2: Convert to fraction form
    19,948.80/29,918.40 = 6,097.92/x
  3. Step 3: Cross multiply
    19,948.80x = 29,918.40 × 6,097.92
  4. Step 4: Simplify right side
    19,948.80x = 182,440,009.73
  5. Step 5: Solve for x
    x = 182,440,009.73/19,948.80
  6. Step 6: Final answer
    x = 9,145.41

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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.