Home / 39,154.24-58,731.84-11,452.80

Finding the Fourth Proportional to 39,154.24, 58,731.84 and 11,452.80

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Solution

The fourth proportional to 39,154.24, 58,731.84 and 11,452.80 is: 17,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,154.24 : 58,731.84 = 11,452.80 : x
  2. Step 2: Convert to fraction form
    39,154.24/58,731.84 = 11,452.80/x
  3. Step 3: Cross multiply
    39,154.24x = 58,731.84 × 11,452.80
  4. Step 4: Simplify right side
    39,154.24x = 672,644,017.15
  5. Step 5: Solve for x
    x = 672,644,017.15/39,154.24
  6. Step 6: Final answer
    x = 17,179.34

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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.