Home / 19,532.81-29,281.15-7,693.03

Finding the Fourth Proportional to 19,532.81, 29,281.15 and 7,693.03

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Solution

The fourth proportional to 19,532.81, 29,281.15 and 7,693.03 is: 11,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,532.81 : 29,281.15 = 7,693.03 : x
  2. Step 2: Convert to fraction form
    19,532.81/29,281.15 = 7,693.03/x
  3. Step 3: Cross multiply
    19,532.81x = 29,281.15 × 7,693.03
  4. Step 4: Simplify right side
    19,532.81x = 225,260,757.12
  5. Step 5: Solve for x
    x = 225,260,757.12/19,532.81
  6. Step 6: Final answer
    x = 11,532.43

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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.