Home / 45,014.81-67,522.14-13,850.06

Finding the Fourth Proportional to 45,014.81, 67,522.14 and 13,850.06

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Solution

The fourth proportional to 45,014.81, 67,522.14 and 13,850.06 is: 20,775.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,014.81 : 67,522.14 = 13,850.06 : x
  2. Step 2: Convert to fraction form
    45,014.81/67,522.14 = 13,850.06/x
  3. Step 3: Cross multiply
    45,014.81x = 67,522.14 × 13,850.06
  4. Step 4: Simplify right side
    45,014.81x = 935,185,352.72
  5. Step 5: Solve for x
    x = 935,185,352.72/45,014.81
  6. Step 6: Final answer
    x = 20,775.06

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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.