Home / 45,165.74-67,752.12-13,573.34

Finding the Fourth Proportional to 45,165.74, 67,752.12 and 13,573.34

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Solution

The fourth proportional to 45,165.74, 67,752.12 and 13,573.34 is: 20,361.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,165.74 : 67,752.12 = 13,573.34 : x
  2. Step 2: Convert to fraction form
    45,165.74/67,752.12 = 13,573.34/x
  3. Step 3: Cross multiply
    45,165.74x = 67,752.12 × 13,573.34
  4. Step 4: Simplify right side
    45,165.74x = 919,622,560.48
  5. Step 5: Solve for x
    x = 919,622,560.48/45,165.74
  6. Step 6: Final answer
    x = 20,361.06

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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.