Home / 13,167.99-19,745.91-4,400.55

Finding the Fourth Proportional to 13,167.99, 19,745.91 and 4,400.55

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Solution

The fourth proportional to 13,167.99, 19,745.91 and 4,400.55 is: 6,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.99 : 19,745.91 = 4,400.55 : x
  2. Step 2: Convert to fraction form
    13,167.99/19,745.91 = 4,400.55/x
  3. Step 3: Cross multiply
    13,167.99x = 19,745.91 × 4,400.55
  4. Step 4: Simplify right side
    13,167.99x = 86,892,864.25
  5. Step 5: Solve for x
    x = 86,892,864.25/13,167.99
  6. Step 6: Final answer
    x = 6,598.79

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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.