Home / 14,932.58-20,603.23-9,621

Finding the Fourth Proportional to 14,932.58, 20,603.23 and 9,621

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Solution

The fourth proportional to 14,932.58, 20,603.23 and 9,621 is: 13,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,932.58 : 20,603.23 = 9,621 : x
  2. Step 2: Convert to fraction form
    14,932.58/20,603.23 = 9,621/x
  3. Step 3: Cross multiply
    14,932.58x = 20,603.23 × 9,621
  4. Step 4: Simplify right side
    14,932.58x = 198,223,651.78
  5. Step 5: Solve for x
    x = 198,223,651.78/14,932.58
  6. Step 6: Final answer
    x = 13,274.58

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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.