Home / 13,747.83-20,627.88-7,904.44

Finding the Fourth Proportional to 13,747.83, 20,627.88 and 7,904.44

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Solution

The fourth proportional to 13,747.83, 20,627.88 and 7,904.44 is: 11,860.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.83 : 20,627.88 = 7,904.44 : x
  2. Step 2: Convert to fraction form
    13,747.83/20,627.88 = 7,904.44/x
  3. Step 3: Cross multiply
    13,747.83x = 20,627.88 × 7,904.44
  4. Step 4: Simplify right side
    13,747.83x = 163,051,839.79
  5. Step 5: Solve for x
    x = 163,051,839.79/13,747.83
  6. Step 6: Final answer
    x = 11,860.19

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1.5x scale

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.