Home / 43,448.13-65,173.34-13,865.94

Finding the Fourth Proportional to 43,448.13, 65,173.34 and 13,865.94

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Solution

The fourth proportional to 43,448.13, 65,173.34 and 13,865.94 is: 20,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,448.13 : 65,173.34 = 13,865.94 : x
  2. Step 2: Convert to fraction form
    43,448.13/65,173.34 = 13,865.94/x
  3. Step 3: Cross multiply
    43,448.13x = 65,173.34 × 13,865.94
  4. Step 4: Simplify right side
    43,448.13x = 903,689,656.70
  5. Step 5: Solve for x
    x = 903,689,656.70/43,448.13
  6. Step 6: Final answer
    x = 20,799.28

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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.