Home / 20,513.24-30,830.31-17,025.58

Finding the Fourth Proportional to 20,513.24, 30,830.31 and 17,025.58

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Solution

The fourth proportional to 20,513.24, 30,830.31 and 17,025.58 is: 25,588.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,513.24 : 30,830.31 = 17,025.58 : x
  2. Step 2: Convert to fraction form
    20,513.24/30,830.31 = 17,025.58/x
  3. Step 3: Cross multiply
    20,513.24x = 30,830.31 × 17,025.58
  4. Step 4: Simplify right side
    20,513.24x = 524,903,909.33
  5. Step 5: Solve for x
    x = 524,903,909.33/20,513.24
  6. Step 6: Final answer
    x = 25,588.54

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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.