Home / 19,125.72-28,635.12-10,329.12

Finding the Fourth Proportional to 19,125.72, 28,635.12 and 10,329.12

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Solution

The fourth proportional to 19,125.72, 28,635.12 and 10,329.12 is: 15,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.72 : 28,635.12 = 10,329.12 : x
  2. Step 2: Convert to fraction form
    19,125.72/28,635.12 = 10,329.12/x
  3. Step 3: Cross multiply
    19,125.72x = 28,635.12 × 10,329.12
  4. Step 4: Simplify right side
    19,125.72x = 295,775,590.69
  5. Step 5: Solve for x
    x = 295,775,590.69/19,125.72
  6. Step 6: Final answer
    x = 15,464.81

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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.