Home / 25,242.60-34,837.38-15,174.30

Finding the Fourth Proportional to 25,242.60, 34,837.38 and 15,174.30

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Solution

The fourth proportional to 25,242.60, 34,837.38 and 15,174.30 is: 20,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,242.60 : 34,837.38 = 15,174.30 : x
  2. Step 2: Convert to fraction form
    25,242.60/34,837.38 = 15,174.30/x
  3. Step 3: Cross multiply
    25,242.60x = 34,837.38 × 15,174.30
  4. Step 4: Simplify right side
    25,242.60x = 528,632,855.33
  5. Step 5: Solve for x
    x = 528,632,855.33/25,242.60
  6. Step 6: Final answer
    x = 20,942.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.