Home / 18,583.49-25,645.53-10,625.78

Finding the Fourth Proportional to 18,583.49, 25,645.53 and 10,625.78

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Solution

The fourth proportional to 18,583.49, 25,645.53 and 10,625.78 is: 14,663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.49 : 25,645.53 = 10,625.78 : x
  2. Step 2: Convert to fraction form
    18,583.49/25,645.53 = 10,625.78/x
  3. Step 3: Cross multiply
    18,583.49x = 25,645.53 × 10,625.78
  4. Step 4: Simplify right side
    18,583.49x = 272,503,631.54
  5. Step 5: Solve for x
    x = 272,503,631.54/18,583.49
  6. Step 6: Final answer
    x = 14,663.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.