Home / 18,158.60-27,239.47-5,010.97

Finding the Fourth Proportional to 18,158.60, 27,239.47 and 5,010.97

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Solution

The fourth proportional to 18,158.60, 27,239.47 and 5,010.97 is: 7,516.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.60 : 27,239.47 = 5,010.97 : x
  2. Step 2: Convert to fraction form
    18,158.60/27,239.47 = 5,010.97/x
  3. Step 3: Cross multiply
    18,158.60x = 27,239.47 × 5,010.97
  4. Step 4: Simplify right side
    18,158.60x = 136,496,166.99
  5. Step 5: Solve for x
    x = 136,496,166.99/18,158.60
  6. Step 6: Final answer
    x = 7,516.89

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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.