Home / 18,544.10-27,825.29-8,681.67

Finding the Fourth Proportional to 18,544.10, 27,825.29 and 8,681.67

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Solution

The fourth proportional to 18,544.10, 27,825.29 and 8,681.67 is: 13,026.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,544.10 : 27,825.29 = 8,681.67 : x
  2. Step 2: Convert to fraction form
    18,544.10/27,825.29 = 8,681.67/x
  3. Step 3: Cross multiply
    18,544.10x = 27,825.29 × 8,681.67
  4. Step 4: Simplify right side
    18,544.10x = 241,569,942.03
  5. Step 5: Solve for x
    x = 241,569,942.03/18,544.10
  6. Step 6: Final answer
    x = 13,026.79

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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.