Home / 18,540.47-25,585.86-10,582.53

Finding the Fourth Proportional to 18,540.47, 25,585.86 and 10,582.53

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Solution

The fourth proportional to 18,540.47, 25,585.86 and 10,582.53 is: 14,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.47 : 25,585.86 = 10,582.53 : x
  2. Step 2: Convert to fraction form
    18,540.47/25,585.86 = 10,582.53/x
  3. Step 3: Cross multiply
    18,540.47x = 25,585.86 × 10,582.53
  4. Step 4: Simplify right side
    18,540.47x = 270,763,131.03
  5. Step 5: Solve for x
    x = 270,763,131.03/18,540.47
  6. Step 6: Final answer
    x = 14,603.90

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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.