Home / 43,454.19-65,180.07-13,873.80

Finding the Fourth Proportional to 43,454.19, 65,180.07 and 13,873.80

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Solution

The fourth proportional to 43,454.19, 65,180.07 and 13,873.80 is: 20,810.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,454.19 : 65,180.07 = 13,873.80 : x
  2. Step 2: Convert to fraction form
    43,454.19/65,180.07 = 13,873.80/x
  3. Step 3: Cross multiply
    43,454.19x = 65,180.07 × 13,873.80
  4. Step 4: Simplify right side
    43,454.19x = 904,295,255.17
  5. Step 5: Solve for x
    x = 904,295,255.17/43,454.19
  6. Step 6: Final answer
    x = 20,810.31

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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.