Home / 19,996.66-29,948.28-15,808.54

Finding the Fourth Proportional to 19,996.66, 29,948.28 and 15,808.54

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Solution

The fourth proportional to 19,996.66, 29,948.28 and 15,808.54 is: 23,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.66 : 29,948.28 = 15,808.54 : x
  2. Step 2: Convert to fraction form
    19,996.66/29,948.28 = 15,808.54/x
  3. Step 3: Cross multiply
    19,996.66x = 29,948.28 × 15,808.54
  4. Step 4: Simplify right side
    19,996.66x = 473,438,582.31
  5. Step 5: Solve for x
    x = 473,438,582.31/19,996.66
  6. Step 6: Final answer
    x = 23,675.88

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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.