Home / 25,105.78-37,616.14-16,666.38

Finding the Fourth Proportional to 25,105.78, 37,616.14 and 16,666.38

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Solution

The fourth proportional to 25,105.78, 37,616.14 and 16,666.38 is: 24,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,105.78 : 37,616.14 = 16,666.38 : x
  2. Step 2: Convert to fraction form
    25,105.78/37,616.14 = 16,666.38/x
  3. Step 3: Cross multiply
    25,105.78x = 37,616.14 × 16,666.38
  4. Step 4: Simplify right side
    25,105.78x = 626,924,883.37
  5. Step 5: Solve for x
    x = 626,924,883.37/25,105.78
  6. Step 6: Final answer
    x = 24,971.34

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1.5x scale

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.