Home / 39,441.12-59,171.09-13,146.09

Finding the Fourth Proportional to 39,441.12, 59,171.09 and 13,146.09

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Solution

The fourth proportional to 39,441.12, 59,171.09 and 13,146.09 is: 19,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,441.12 : 59,171.09 = 13,146.09 : x
  2. Step 2: Convert to fraction form
    39,441.12/59,171.09 = 13,146.09/x
  3. Step 3: Cross multiply
    39,441.12x = 59,171.09 × 13,146.09
  4. Step 4: Simplify right side
    39,441.12x = 777,868,408.81
  5. Step 5: Solve for x
    x = 777,868,408.81/39,441.12
  6. Step 6: Final answer
    x = 19,722.27

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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.