Home / 12,052.80-17,988.84-11,265.48

Finding the Fourth Proportional to 12,052.80, 17,988.84 and 11,265.48

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Solution

The fourth proportional to 12,052.80, 17,988.84 and 11,265.48 is: 16,813.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,052.80 : 17,988.84 = 11,265.48 : x
  2. Step 2: Convert to fraction form
    12,052.80/17,988.84 = 11,265.48/x
  3. Step 3: Cross multiply
    12,052.80x = 17,988.84 × 11,265.48
  4. Step 4: Simplify right side
    12,052.80x = 202,652,917.24
  5. Step 5: Solve for x
    x = 202,652,917.24/12,052.80
  6. Step 6: Final answer
    x = 16,813.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.