Home / 17,021.68-25,506.54-7,155.60

Finding the Fourth Proportional to 17,021.68, 25,506.54 and 7,155.60

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Solution

The fourth proportional to 17,021.68, 25,506.54 and 7,155.60 is: 10,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021.68 : 25,506.54 = 7,155.60 : x
  2. Step 2: Convert to fraction form
    17,021.68/25,506.54 = 7,155.60/x
  3. Step 3: Cross multiply
    17,021.68x = 25,506.54 × 7,155.60
  4. Step 4: Simplify right side
    17,021.68x = 182,514,597.62
  5. Step 5: Solve for x
    x = 182,514,597.62/17,021.68
  6. Step 6: Final answer
    x = 10,722.48

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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.