Home / 20,023.13-30,030.04-7,544.41

Finding the Fourth Proportional to 20,023.13, 30,030.04 and 7,544.41

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Solution

The fourth proportional to 20,023.13, 30,030.04 and 7,544.41 is: 11,314.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.13 : 30,030.04 = 7,544.41 : x
  2. Step 2: Convert to fraction form
    20,023.13/30,030.04 = 7,544.41/x
  3. Step 3: Cross multiply
    20,023.13x = 30,030.04 × 7,544.41
  4. Step 4: Simplify right side
    20,023.13x = 226,558,934.08
  5. Step 5: Solve for x
    x = 226,558,934.08/20,023.13
  6. Step 6: Final answer
    x = 11,314.86

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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.