Home / 18,583.11-25,645.01-10,625.40

Finding the Fourth Proportional to 18,583.11, 25,645.01 and 10,625.40

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Solution

The fourth proportional to 18,583.11, 25,645.01 and 10,625.40 is: 14,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.11 : 25,645.01 = 10,625.40 : x
  2. Step 2: Convert to fraction form
    18,583.11/25,645.01 = 10,625.40/x
  3. Step 3: Cross multiply
    18,583.11x = 25,645.01 × 10,625.40
  4. Step 4: Simplify right side
    18,583.11x = 272,488,436.13
  5. Step 5: Solve for x
    x = 272,488,436.13/18,583.11
  6. Step 6: Final answer
    x = 14,663.23

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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.