Home / 23,149.53-34,743.74-18,561.69

Finding the Fourth Proportional to 23,149.53, 34,743.74 and 18,561.69

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Solution

The fourth proportional to 23,149.53, 34,743.74 and 18,561.69 is: 27,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,149.53 : 34,743.74 = 18,561.69 : x
  2. Step 2: Convert to fraction form
    23,149.53/34,743.74 = 18,561.69/x
  3. Step 3: Cross multiply
    23,149.53x = 34,743.74 × 18,561.69
  4. Step 4: Simplify right side
    23,149.53x = 644,902,438.51
  5. Step 5: Solve for x
    x = 644,902,438.51/23,149.53
  6. Step 6: Final answer
    x = 27,858.12

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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.