Home / 43,725.60-65,619.92-17,415.12

Finding the Fourth Proportional to 43,725.60, 65,619.92 and 17,415.12

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Solution

The fourth proportional to 43,725.60, 65,619.92 and 17,415.12 is: 26,135.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,725.60 : 65,619.92 = 17,415.12 : x
  2. Step 2: Convert to fraction form
    43,725.60/65,619.92 = 17,415.12/x
  3. Step 3: Cross multiply
    43,725.60x = 65,619.92 × 17,415.12
  4. Step 4: Simplify right side
    43,725.60x = 1,142,778,781.19
  5. Step 5: Solve for x
    x = 1,142,778,781.19/43,725.60
  6. Step 6: Final answer
    x = 26,135.23

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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.