Home / 15,471.03-23,208.71-7,677.75

Finding the Fourth Proportional to 15,471.03, 23,208.71 and 7,677.75

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Solution

The fourth proportional to 15,471.03, 23,208.71 and 7,677.75 is: 11,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471.03 : 23,208.71 = 7,677.75 : x
  2. Step 2: Convert to fraction form
    15,471.03/23,208.71 = 7,677.75/x
  3. Step 3: Cross multiply
    15,471.03x = 23,208.71 × 7,677.75
  4. Step 4: Simplify right side
    15,471.03x = 178,190,634.81
  5. Step 5: Solve for x
    x = 178,190,634.81/15,471.03
  6. Step 6: Final answer
    x = 11,517.70

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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.