Home / 25,844.96-38,742.81-8,302.47

Finding the Fourth Proportional to 25,844.96, 38,742.81 and 8,302.47

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Solution

The fourth proportional to 25,844.96, 38,742.81 and 8,302.47 is: 12,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,844.96 : 38,742.81 = 8,302.47 : x
  2. Step 2: Convert to fraction form
    25,844.96/38,742.81 = 8,302.47/x
  3. Step 3: Cross multiply
    25,844.96x = 38,742.81 × 8,302.47
  4. Step 4: Simplify right side
    25,844.96x = 321,661,017.74
  5. Step 5: Solve for x
    x = 321,661,017.74/25,844.96
  6. Step 6: Final answer
    x = 12,445.80

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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.