Home / 39,675.45-59,516.24-13,380.19

Finding the Fourth Proportional to 39,675.45, 59,516.24 and 13,380.19

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Solution

The fourth proportional to 39,675.45, 59,516.24 and 13,380.19 is: 20,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,675.45 : 59,516.24 = 13,380.19 : x
  2. Step 2: Convert to fraction form
    39,675.45/59,516.24 = 13,380.19/x
  3. Step 3: Cross multiply
    39,675.45x = 59,516.24 × 13,380.19
  4. Step 4: Simplify right side
    39,675.45x = 796,338,496.49
  5. Step 5: Solve for x
    x = 796,338,496.49/39,675.45
  6. Step 6: Final answer
    x = 20,071.32

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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.