Home / 13,834.32-20,751.48-11,851.44

Finding the Fourth Proportional to 13,834.32, 20,751.48 and 11,851.44

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Solution

The fourth proportional to 13,834.32, 20,751.48 and 11,851.44 is: 17,777.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.32 : 20,751.48 = 11,851.44 : x
  2. Step 2: Convert to fraction form
    13,834.32/20,751.48 = 11,851.44/x
  3. Step 3: Cross multiply
    13,834.32x = 20,751.48 × 11,851.44
  4. Step 4: Simplify right side
    13,834.32x = 245,934,920.13
  5. Step 5: Solve for x
    x = 245,934,920.13/13,834.32
  6. Step 6: Final answer
    x = 17,777.16

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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.