Home / 43,065.22-64,601.56-11,900.48

Finding the Fourth Proportional to 43,065.22, 64,601.56 and 11,900.48

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Solution

The fourth proportional to 43,065.22, 64,601.56 and 11,900.48 is: 17,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,065.22 : 64,601.56 = 11,900.48 : x
  2. Step 2: Convert to fraction form
    43,065.22/64,601.56 = 11,900.48/x
  3. Step 3: Cross multiply
    43,065.22x = 64,601.56 × 11,900.48
  4. Step 4: Simplify right side
    43,065.22x = 768,789,572.75
  5. Step 5: Solve for x
    x = 768,789,572.75/43,065.22
  6. Step 6: Final answer
    x = 17,851.75

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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.