Home / 20,572.14-30,815.13-17,053.80

Finding the Fourth Proportional to 20,572.14, 30,815.13 and 17,053.80

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Solution

The fourth proportional to 20,572.14, 30,815.13 and 17,053.80 is: 25,544.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,572.14 : 30,815.13 = 17,053.80 : x
  2. Step 2: Convert to fraction form
    20,572.14/30,815.13 = 17,053.80/x
  3. Step 3: Cross multiply
    20,572.14x = 30,815.13 × 17,053.80
  4. Step 4: Simplify right side
    20,572.14x = 525,515,063.99
  5. Step 5: Solve for x
    x = 525,515,063.99/20,572.14
  6. Step 6: Final answer
    x = 25,544.99

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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.