Home / 13,525.49-20,260.69-11,035.55

Finding the Fourth Proportional to 13,525.49, 20,260.69 and 11,035.55

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Solution

The fourth proportional to 13,525.49, 20,260.69 and 11,035.55 is: 16,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.49 : 20,260.69 = 11,035.55 : x
  2. Step 2: Convert to fraction form
    13,525.49/20,260.69 = 11,035.55/x
  3. Step 3: Cross multiply
    13,525.49x = 20,260.69 × 11,035.55
  4. Step 4: Simplify right side
    13,525.49x = 223,587,880.59
  5. Step 5: Solve for x
    x = 223,587,880.59/13,525.49
  6. Step 6: Final answer
    x = 16,530.85

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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.