Home / 18,158.63-27,239.39-5,010.96

Finding the Fourth Proportional to 18,158.63, 27,239.39 and 5,010.96

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Solution

The fourth proportional to 18,158.63, 27,239.39 and 5,010.96 is: 7,516.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.63 : 27,239.39 = 5,010.96 : x
  2. Step 2: Convert to fraction form
    18,158.63/27,239.39 = 5,010.96/x
  3. Step 3: Cross multiply
    18,158.63x = 27,239.39 × 5,010.96
  4. Step 4: Simplify right side
    18,158.63x = 136,495,589.60
  5. Step 5: Solve for x
    x = 136,495,589.60/18,158.63
  6. Step 6: Final answer
    x = 7,516.84

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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.