Home / 21,654.03-32,419.54-14,975.48

Finding the Fourth Proportional to 21,654.03, 32,419.54 and 14,975.48

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Solution

The fourth proportional to 21,654.03, 32,419.54 and 14,975.48 is: 22,420.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,654.03 : 32,419.54 = 14,975.48 : x
  2. Step 2: Convert to fraction form
    21,654.03/32,419.54 = 14,975.48/x
  3. Step 3: Cross multiply
    21,654.03x = 32,419.54 × 14,975.48
  4. Step 4: Simplify right side
    21,654.03x = 485,498,272.65
  5. Step 5: Solve for x
    x = 485,498,272.65/21,654.03
  6. Step 6: Final answer
    x = 22,420.69

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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.