Home / 43,365.48-65,053.74-13,772.76

Finding the Fourth Proportional to 43,365.48, 65,053.74 and 13,772.76

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Solution

The fourth proportional to 43,365.48, 65,053.74 and 13,772.76 is: 20,660.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,365.48 : 65,053.74 = 13,772.76 : x
  2. Step 2: Convert to fraction form
    43,365.48/65,053.74 = 13,772.76/x
  3. Step 3: Cross multiply
    43,365.48x = 65,053.74 × 13,772.76
  4. Step 4: Simplify right side
    43,365.48x = 895,969,548.12
  5. Step 5: Solve for x
    x = 895,969,548.12/43,365.48
  6. Step 6: Final answer
    x = 20,660.89

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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.