Home / 25,630.86-38,433.12-11,583.28

Finding the Fourth Proportional to 25,630.86, 38,433.12 and 11,583.28

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Solution

The fourth proportional to 25,630.86, 38,433.12 and 11,583.28 is: 17,368.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,630.86 : 38,433.12 = 11,583.28 : x
  2. Step 2: Convert to fraction form
    25,630.86/38,433.12 = 11,583.28/x
  3. Step 3: Cross multiply
    25,630.86x = 38,433.12 × 11,583.28
  4. Step 4: Simplify right side
    25,630.86x = 445,181,494.15
  5. Step 5: Solve for x
    x = 445,181,494.15/25,630.86
  6. Step 6: Final answer
    x = 17,368.96

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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.