Home / 16,941.78-25,402.39-7,580.05

Finding the Fourth Proportional to 16,941.78, 25,402.39 and 7,580.05

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Solution

The fourth proportional to 16,941.78, 25,402.39 and 7,580.05 is: 11,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,941.78 : 25,402.39 = 7,580.05 : x
  2. Step 2: Convert to fraction form
    16,941.78/25,402.39 = 7,580.05/x
  3. Step 3: Cross multiply
    16,941.78x = 25,402.39 × 7,580.05
  4. Step 4: Simplify right side
    16,941.78x = 192,551,303.86
  5. Step 5: Solve for x
    x = 192,551,303.86/16,941.78
  6. Step 6: Final answer
    x = 11,365.47

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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.