Home / 25,770.04-38,642.83-9,982.47

Finding the Fourth Proportional to 25,770.04, 38,642.83 and 9,982.47

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Solution

The fourth proportional to 25,770.04, 38,642.83 and 9,982.47 is: 14,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,770.04 : 38,642.83 = 9,982.47 : x
  2. Step 2: Convert to fraction form
    25,770.04/38,642.83 = 9,982.47/x
  3. Step 3: Cross multiply
    25,770.04x = 38,642.83 × 9,982.47
  4. Step 4: Simplify right side
    25,770.04x = 385,750,891.19
  5. Step 5: Solve for x
    x = 385,750,891.19/25,770.04
  6. Step 6: Final answer
    x = 14,968.97

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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.