Home / 13,850.22-20,751.69-7,615.45

Finding the Fourth Proportional to 13,850.22, 20,751.69 and 7,615.45

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Solution

The fourth proportional to 13,850.22, 20,751.69 and 7,615.45 is: 11,410.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.22 : 20,751.69 = 7,615.45 : x
  2. Step 2: Convert to fraction form
    13,850.22/20,751.69 = 7,615.45/x
  3. Step 3: Cross multiply
    13,850.22x = 20,751.69 × 7,615.45
  4. Step 4: Simplify right side
    13,850.22x = 158,033,457.61
  5. Step 5: Solve for x
    x = 158,033,457.61/13,850.22
  6. Step 6: Final answer
    x = 11,410.18

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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.