Home / 39,431.24-59,142.84-13,133.14

Finding the Fourth Proportional to 39,431.24, 59,142.84 and 13,133.14

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Solution

The fourth proportional to 39,431.24, 59,142.84 and 13,133.14 is: 19,698.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,431.24 : 59,142.84 = 13,133.14 : x
  2. Step 2: Convert to fraction form
    39,431.24/59,142.84 = 13,133.14/x
  3. Step 3: Cross multiply
    39,431.24x = 59,142.84 × 13,133.14
  4. Step 4: Simplify right side
    39,431.24x = 776,731,197.72
  5. Step 5: Solve for x
    x = 776,731,197.72/39,431.24
  6. Step 6: Final answer
    x = 19,698.37

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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.