Home / 17,020.80-25,531.20-10,022.40

Finding the Fourth Proportional to 17,020.80, 25,531.20 and 10,022.40

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Solution

The fourth proportional to 17,020.80, 25,531.20 and 10,022.40 is: 15,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020.80 : 25,531.20 = 10,022.40 : x
  2. Step 2: Convert to fraction form
    17,020.80/25,531.20 = 10,022.40/x
  3. Step 3: Cross multiply
    17,020.80x = 25,531.20 × 10,022.40
  4. Step 4: Simplify right side
    17,020.80x = 255,883,898.88
  5. Step 5: Solve for x
    x = 255,883,898.88/17,020.80
  6. Step 6: Final answer
    x = 15,033.60

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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.