Home / 43,076.12-64,614.11-13,496.22

Finding the Fourth Proportional to 43,076.12, 64,614.11 and 13,496.22

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Solution

The fourth proportional to 43,076.12, 64,614.11 and 13,496.22 is: 20,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,076.12 : 64,614.11 = 13,496.22 : x
  2. Step 2: Convert to fraction form
    43,076.12/64,614.11 = 13,496.22/x
  3. Step 3: Cross multiply
    43,076.12x = 64,614.11 × 13,496.22
  4. Step 4: Simplify right side
    43,076.12x = 872,046,176.18
  5. Step 5: Solve for x
    x = 872,046,176.18/43,076.12
  6. Step 6: Final answer
    x = 20,244.31

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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.