Home / 17,197.50-23,732.56-10,128.28

Finding the Fourth Proportional to 17,197.50, 23,732.56 and 10,128.28

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Solution

The fourth proportional to 17,197.50, 23,732.56 and 10,128.28 is: 13,977.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,197.50 : 23,732.56 = 10,128.28 : x
  2. Step 2: Convert to fraction form
    17,197.50/23,732.56 = 10,128.28/x
  3. Step 3: Cross multiply
    17,197.50x = 23,732.56 × 10,128.28
  4. Step 4: Simplify right side
    17,197.50x = 240,370,012.80
  5. Step 5: Solve for x
    x = 240,370,012.80/17,197.50
  6. Step 6: Final answer
    x = 13,977.03

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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.