Home / 13,801.24-20,668.92-7,551.91

Finding the Fourth Proportional to 13,801.24, 20,668.92 and 7,551.91

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Solution

The fourth proportional to 13,801.24, 20,668.92 and 7,551.91 is: 11,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.24 : 20,668.92 = 7,551.91 : x
  2. Step 2: Convert to fraction form
    13,801.24/20,668.92 = 7,551.91/x
  3. Step 3: Cross multiply
    13,801.24x = 20,668.92 × 7,551.91
  4. Step 4: Simplify right side
    13,801.24x = 156,089,823.64
  5. Step 5: Solve for x
    x = 156,089,823.64/13,801.24
  6. Step 6: Final answer
    x = 11,309.84

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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.