Home / 43,819.36-65,718.80-14,229.60

Finding the Fourth Proportional to 43,819.36, 65,718.80 and 14,229.60

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Solution

The fourth proportional to 43,819.36, 65,718.80 and 14,229.60 is: 21,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,819.36 : 65,718.80 = 14,229.60 : x
  2. Step 2: Convert to fraction form
    43,819.36/65,718.80 = 14,229.60/x
  3. Step 3: Cross multiply
    43,819.36x = 65,718.80 × 14,229.60
  4. Step 4: Simplify right side
    43,819.36x = 935,152,236.48
  5. Step 5: Solve for x
    x = 935,152,236.48/43,819.36
  6. Step 6: Final answer
    x = 21,341.07

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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.