Home / 15,479.24-23,163.42-13,406.36

Finding the Fourth Proportional to 15,479.24, 23,163.42 and 13,406.36

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Solution

The fourth proportional to 15,479.24, 23,163.42 and 13,406.36 is: 20,061.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479.24 : 23,163.42 = 13,406.36 : x
  2. Step 2: Convert to fraction form
    15,479.24/23,163.42 = 13,406.36/x
  3. Step 3: Cross multiply
    15,479.24x = 23,163.42 × 13,406.36
  4. Step 4: Simplify right side
    15,479.24x = 310,537,147.35
  5. Step 5: Solve for x
    x = 310,537,147.35/15,479.24
  6. Step 6: Final answer
    x = 20,061.52

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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.