Home / 13,020.19-17,963.02-8,546.42

Finding the Fourth Proportional to 13,020.19, 17,963.02 and 8,546.42

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Solution

The fourth proportional to 13,020.19, 17,963.02 and 8,546.42 is: 11,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.19 : 17,963.02 = 8,546.42 : x
  2. Step 2: Convert to fraction form
    13,020.19/17,963.02 = 8,546.42/x
  3. Step 3: Cross multiply
    13,020.19x = 17,963.02 × 8,546.42
  4. Step 4: Simplify right side
    13,020.19x = 153,519,513.39
  5. Step 5: Solve for x
    x = 153,519,513.39/13,020.19
  6. Step 6: Final answer
    x = 11,790.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.