Home / 53,626.50-80,454.34-18,568.90

Finding the Fourth Proportional to 53,626.50, 80,454.34 and 18,568.90

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Solution

The fourth proportional to 53,626.50, 80,454.34 and 18,568.90 is: 27,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,626.50 : 80,454.34 = 18,568.90 : x
  2. Step 2: Convert to fraction form
    53,626.50/80,454.34 = 18,568.90/x
  3. Step 3: Cross multiply
    53,626.50x = 80,454.34 × 18,568.90
  4. Step 4: Simplify right side
    53,626.50x = 1,493,948,594.03
  5. Step 5: Solve for x
    x = 1,493,948,594.03/53,626.50
  6. Step 6: Final answer
    x = 27,858.40

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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.