Home / 13,565.04-20,347.38-3,704.40

Finding the Fourth Proportional to 13,565.04, 20,347.38 and 3,704.40

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Solution

The fourth proportional to 13,565.04, 20,347.38 and 3,704.40 is: 5,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.04 : 20,347.38 = 3,704.40 : x
  2. Step 2: Convert to fraction form
    13,565.04/20,347.38 = 3,704.40/x
  3. Step 3: Cross multiply
    13,565.04x = 20,347.38 × 3,704.40
  4. Step 4: Simplify right side
    13,565.04x = 75,374,834.47
  5. Step 5: Solve for x
    x = 75,374,834.47/13,565.04
  6. Step 6: Final answer
    x = 5,556.55

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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.