Home / 43,416.75-65,124.41-13,834.19

Finding the Fourth Proportional to 43,416.75, 65,124.41 and 13,834.19

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Solution

The fourth proportional to 43,416.75, 65,124.41 and 13,834.19 is: 20,751.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,416.75 : 65,124.41 = 13,834.19 : x
  2. Step 2: Convert to fraction form
    43,416.75/65,124.41 = 13,834.19/x
  3. Step 3: Cross multiply
    43,416.75x = 65,124.41 × 13,834.19
  4. Step 4: Simplify right side
    43,416.75x = 900,943,135.96
  5. Step 5: Solve for x
    x = 900,943,135.96/43,416.75
  6. Step 6: Final answer
    x = 20,751.05

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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.